1 ============================================================================
2 User visible changes for pod
3 A full-node bitcoin implementation written in Go
4 ============================================================================
5 Changes in 0.12.0 (Fri Nov 20 2015)
6 - Protocol and network related changes:
7 - Add a new checkpoint at block height 382320 (#555)
8 - Implement BIP0065 which includes support for version 4 blocks, a new
9 consensus opcode (OP_CHECKLOCKTIMEVERIFY) that enforces transaction
10 lock times, and a double-threshold switchover mechanism (#535, #459,
11 #455)
12 - Implement BIP0111 which provides a new bloom filter service flag and
13 hence provides support for protocol version 70011 (#499)
14 - Add a new parameter --nopeerbloomfilters to allow disabling bloom
15 filter support (#499)
16 - Reject non-canonically encoded variable length integers (#507)
17 - Add mainnet peer discovery DNS seed (seed.bitcoin.jonasschnelli.ch)
18 (#496)
19 - Correct reconnect handling for persistent peers (#463, #464)
20 - Ignore requests for block headers if not fully synced (#444)
21 - Add CLI support for specifying the zone id on IPv6 addresses (#538)
22 - Fix a couple of issues where the initial block sync could stall (#518,
23 #229, #486)
24 - Fix an issue which prevented the --onion option from working as
25 intended (#446)
26 - Transaction relay (memory pool) changes:
27 - Require transactions to only include signatures encoded with the
28 canonical 'low-s' encoding (#512)
29 - Add a new parameter --minrelaytxfee to allow the minimum transaction
30 fee in DUO/kB to be overridden (#520)
31 - Retain memory pool transactions when they redeem another one that is
32 removed when a block is accepted (#539)
33 - Do not send reject messages for a transaction if it is valid but
34 causes an orphan transaction which depends on it to be determined
35 as invalid (#546)
36 - Refrain from attempting to add orphans to the memory pool multiple
37 times when the transaction they redeem is added (#551)
38 - Modify minimum transaction fee calculations to scale based on bytes
39 instead of full kilobyte boundaries (#521, #537)
40 - Implement signature cache:
41 - Provides a limited memory cache of validated signatures which is a
42 huge optimization when verifying blocks for transactions that are
43 already in the memory pool (#506)
44 - Add a new parameter '--sigcachemaxsize' which allows the size of the
45 new cache to be manually changed if desired (#506)
46 - Mining support changes:
47 - Notify getblocktemplate long polling clients when a block is pushed
48 via submitblock (#488)
49 - Speed up getblocktemplate by making use of the new signature cache
50 (#506)
51 - RPC changes:
52 - Implement getmempoolinfo command (#453)
53 - Implement getblockheader command (#461)
54 - Modify createrawtransaction command to accept a new optional parameter
55 'locktime' (#529)
56 - Modify listunspent result to include the 'spendable' field (#440)
57 - Modify getinfo command to include 'errors' field (#511)
58 - Add timestamps to blockconnected and blockdisconnected notifications
59 (#450)
60 - Several modifications to searchrawtranscations command:
61 - Accept a new optional parameter 'vinextra' which causes the results
62 to include information about the outputs referenced by a transaction's
63 inputs (#485, #487)
64 - Skip entries in the mempool too (#495)
65 - Accept a new optional parameter 'reverse' to return the results in
66 reverse order (most recent to oldest) (#497)
67 - Accept a new optional parameter 'filteraddrs' which causes the
68 results to only include inputs and outputs which involve the
69 provided addresses (#516)
70 - Change the notification order to notify clients about mined
71 transactions (recvtx, redeemingtx) before the blockconnected
72 notification (#449)
73 - Update verifymessage RPC to use the standard algorithm so it is
74 compatible with other implementations (#515)
75 - Improve ping statistics by pinging on an interval (#517)
76 - Websocket changes:
77 - Implement session command which returns a per-session unique id (#500,
78 #503)
79 - podctl utility changes:
80 - Add getmempoolinfo command (#453)
81 - Add getblockheader command (#461)
82 - Add getwalletinfo command (#471)
83 - Notable developer-related package changes:
84 - Introduce a new peer package which acts a common base for creating and
85 concurrently managing bitcoin network peers (#445)
86 - Various cleanup of the new peer package (#528, #531, #524, #534,
87 #549)
88 - Blocks heights now consistently use int32 everywhere (#481)
89 - The BlockHeader type in the wire package now provides the BtcDecode
90 and BtcEncode methods (#467)
91 - Update wire package to recognize BIP0064 (getutxo) service bit (#489)
92 - Export LockTimeThreshold constant from txscript package (#454)
93 - Export MaxDataCarrierSize constant from txscript package (#466)
94 - Provide new IsUnspendable function from the txscript package (#478)
95 - Export variable length string functions from the wire package (#514)
96 - Export DNS Seeds for each network from the chaincfg package (#544)
97 - Preliminary work towards separating the memory pool into a separate
98 package (#525, #548)
99 - Misc changes:
100 - Various documentation updates (#442, #462, #465, #460, #470, #473,
101 #505, #530, #545)
102 - Add installation instructions for gentoo (#542)
103 - Ensure an error is shown if OS limits can't be set at startup (#498)
104 - Tighten the standardness checks for multisig scripts (#526)
105 - Test coverage improvement (#468, #494, #527, #543, #550)
106 - Several optimizations (#457, #474, #475, #476, #508, #509)
107 - Minor code cleanup and refactoring (#472, #479, #482, #519, #540)
108 - Contributors (alphabetical order):
109 - Ben Echols
110 - Bruno Clermont
111 - danda
112 - Daniel Krawisz
113 - Dario Nieuwenhuis
114 - Dave Collins
115 - David Hill
116 - Javed Khan
117 - Jonathan Gillham
118 - Joseph Becher
119 - Josh Rickmar
120 - Justus Ranvier
121 - Mawuli Adzoe
122 - Olaoluwa Osuntokun
123 - Rune T. Aune
124 Changes in 0.11.1 (Wed May 27 2015)
125 - Protocol and network related changes:
126 - Use correct sub-command in reject message for rejected transactions
127 (#436, #437)
128 - Add a new parameter --torisolation which forces new circuits for each
129 connection when using tor (#430)
130 - Transaction relay (memory pool) changes:
131 - Reduce the default number max number of allowed orphan transactions
132 to 1000 (#419)
133 - Add a new parameter --maxorphantx which allows the maximum number of
134 orphan transactions stored in the mempool to be specified (#419)
135 - RPC changes:
136 - Modify listtransactions result to include the 'involveswatchonly' and
137 'vout' fields (#427)
138 - Update getrawtransaction result to omit the 'confirmations' field
139 when it is 0 (#420, #422)
140 - Update signrawtransaction result to include errors (#423)
141 - podctl utility changes:
142 - Add gettxoutproof command (#428)
143 - Add verifytxoutproof command (#428)
144 - Notable developer-related package changes:
145 - The btcec package now provides the ability to perform ECDH
146 encryption and decryption (#375)
147 - The block and header validation in the blockchain package has been
148 split to help pave the way toward concurrent downloads (#386)
149 - Misc changes:
150 - Minor peer optimization (#433)
151 - Contributors (alphabetical order):
152 - Dave Collins
153 - David Hill
154 - Federico Bond
155 - Ishbir Singh
156 - Josh Rickmar
157 Changes in 0.11.0 (Wed May 06 2015)
158 - Protocol and network related changes:
159 - **IMPORTANT: Update is required due to the following point**
160 - Correct a few corner cases in script handling which could result in
161 forking from the network on non-standard transactions (#425)
162 - Add a new checkpoint at block height 352940 (#418)
163 - Optimized script execution (#395, #400, #404, #409)
164 - Fix a case that could lead stalled syncs (#138, #296)
165 - Network address manager changes:
166 - Implement eclipse attack countermeasures as proposed in
167 http://cs-people.bu.edu/heilman/eclipse (#370, #373)
168 - Optional address indexing changes:
169 - Fix an issue where a reorg could cause an orderly shutdown when the
170 address index is active (#340, #357)
171 - Transaction relay (memory pool) changes:
172 - Increase maximum allowed space for nulldata transactions to 80 bytes
173 (#331)
174 - Implement support for the following rules specified by BIP0062:
175 - The S value in ECDSA signature must be at most half the curve order
176 (rule 5) (#349)
177 - Script execution must result in a single non-zero value on the stack
178 (rule 6) (#347)
179 - NOTE: All 7 rules of BIP0062 are now implemented
180 - Use network adjusted time in finalized transaction checks to improve
181 consistency across nodes (#332)
182 - Process orphan transactions on acceptance of new transactions (#345)
183 - RPC changes:
184 - Add support for a limited RPC user which is not allowed admin level
185 operations on the server (#363)
186 - Implement node command for more unified control over connected peers
187 (#79, #341)
188 - Implement generate command for regtest/simnet to support
189 deterministically mining a specified number of blocks (#362, #407)
190 - Update searchrawtransactions to return the matching transactions in
191 order (#354)
192 - Correct an issue with searchrawtransactions where it could return
193 duplicates (#346, #354)
194 - Increase precision of 'difficulty' field in getblock result to 8
195 (#414, #415)
196 - Omit 'nextblockhash' field from getblock result when it is empty
197 (#416, #417)
198 - Add 'id' and 'timeoffset' fields to getpeerinfo result (#335)
199 - Websocket changes:
200 - Implement new commands stopnotifyspent, stopnotifyreceived,
201 stopnotifyblocks, and stopnotifynewtransactions to allow clients to
202 cancel notification registrations (#122, #342)
203 - podctl utility changes:
204 - A single dash can now be used as an argument to cause that argument to
205 be read from stdin (#348)
206 - Add generate command
207 - Notable developer-related package changes:
208 - The new version 2 btcjson package has now replaced the deprecated
209 version 1 package (#368)
210 - The btcec package now performs all signing using RFC6979 deterministic
211 signatures (#358, #360)
212 - The txscript package has been significantly cleaned up and had a few
213 API changes (#387, #388, #389, #390, #391, #392, #393, #395, #396,
214 #400, #403, #404, #405, #406, #408, #409, #410, #412)
215 - A new PkScriptLocs function has been added to the wire package MsgTx
216 type which provides callers that deal with scripts optimization
217 opportunities (#343)
218 - Misc changes:
219 - Minor wire hashing optimizations (#366, #367)
220 - Other minor internal optimizations
221 - Contributors (alphabetical order):
222 - Alex Akselrod
223 - Arne Brutschy
224 - Chris Jepson
225 - Daniel Krawisz
226 - Dave Collins
227 - David Hill
228 - Jimmy Song
229 - Jonas Nick
230 - Josh Rickmar
231 - Olaoluwa Osuntokun
232 - Oleg Andreev
233 Changes in 0.10.0 (Sun Mar 01 2015)
234 - Protocol and network related changes:
235 - Add a new checkpoint at block height 343185
236 - Implement BIP066 which includes support for version 3 blocks, a new
237 consensus rule which prevents non-DER encoded signatures, and a
238 double-threshold switchover mechanism
239 - Rather than announcing all known addresses on getaddr requests which
240 can possibly result in multiple messages, randomize the results and
241 limit them to the max allowed by a single message (1000 addresses)
242 - Add more reserved IP spaces to the address manager
243 - Transaction relay (memory pool) changes:
244 - Make transactions which contain reserved opcodes nonstandard
245 - No longer accept or relay free and low-fee transactions that have
246 insufficient priority to be mined in the next block
247 - Implement support for the following rules specified by BIP0062:
248 - ECDSA signature must use strict DER encoding (rule 1)
249 - The signature script must only contain push operations (rule 2)
250 - All push operations must use the smallest possible encoding (rule 3)
251 - All stack values interpreted as a number must be encoding using the
252 shortest possible form (rule 4)
253 - NOTE: Rule 1 was already enforced, however the entire script now
254 evaluates to false rather than only the signature verification as
255 required by BIP0062
256 - Allow transactions with nulldata transaction outputs to be treated as
257 standard
258 - Mining support changes:
259 - Modify the getblocktemplate RPC to generate and return block templates
260 for version 3 blocks which are compatible with BIP0066
261 - Allow getblocktemplate to serve blocks when the current time is
262 less than the minimum allowed time for a generated block template
263 (https://github.com/p9c/p9/issues/209)
264 - Crypto changes:
265 - Optimize scalar multiplication by the base point by using a
266 pre-computed table which results in approximately a 35% speedup
267 (https://github.com/btcsuite/btcec/issues/2)
268 - Optimize general scalar multiplication by using the secp256k1
269 endomorphism which results in approximately a 17-20% speedup
270 (https://github.com/btcsuite/btcec/issues/1)
271 - Optimize general scalar multiplication by using non-adjacent form
272 which results in approximately an additional 8% speedup
273 (https://github.com/btcsuite/btcec/issues/3)
274 - Implement optional address indexing:
275 - Add a new parameter --addrindex which will enable the creation of an
276 address index which can be queried to determine all transactions which
277 involve a given address
278 (https://github.com/p9c/p9/issues/190)
279 - Add a new logging subsystem for address index related operations
280 - Support new searchrawtransactions RPC
281 (https://github.com/p9c/p9/issues/185)
282 - RPC changes:
283 - Require TLS version 1.2 as the minimum version for all TLS connections
284 - Provide support for disabling TLS when only listening on localhost
285 (https://github.com/p9c/p9/pull/192)
286 - Modify help output for all commands to provide much more consistent
287 and detailed information
288 - Correct case in getrawtransaction which would refuse to serve certain
289 transactions with invalid scripts
290 (https://github.com/p9c/p9/issues/210)
291 - Correct error handling in the getrawtransaction RPC which could lead
292 to a crash in rare cases
293 (https://github.com/p9c/p9/issues/196)
294 - Update getinfo RPC to include the appropriate 'timeoffset' calculated
295 from the median network time
296 - Modify listreceivedbyaddress result type to include txids field so it
297 is compatible
298 - Add 'iswatchonly' field to validateaddress result
299 - Add 'startingpriority' and 'currentpriority' fields to getrawmempool
300 (https://github.com/p9c/p9/issues/178)
301 - Don't omit the 'confirmations' field from getrawtransaction when it is
302 zero
303 - Websocket changes:
304 - Modify the behavior of the rescan command to automatically register
305 for notifications about transactions paying to rescanned addresses
306 or spending outputs from the final rescan utxo set when the rescan
307 is through the best block in the chain
308 - podctl utility changes:
309 - Make the list of commands available via the -l option rather than
310 dumping the entire list on usage errors
311 - Alphabetize and categorize the list of commands by chain and wallet
312 - Make the help option only show the help options instead of also
313 dumping all of the commands
314 - Make the usage syntax much more consistent and correct a few cases of
315 misnamed fields
316 (https://github.com/p9c/p9/issues/305)
317 - Improve usage errors to show the specific parameter number, reason,
318 and error code
319 - Only show the usage for specific command is shown when a valid command
320 is provided with invalid parameters
321 - Add support for a SOCK5 proxy
322 - Modify output for integer fields (such as timestamps) to display
323 normally instead in scientific notation
324 - Add invalidateblock command
325 - Add reconsiderblock command
326 - Add createnewaccount command
327 - Add renameaccount command
328 - Add searchrawtransactions command
329 - Add importaddress command
330 - Add importpubkey command
331 - showblock utility changes:
332 - Remove utility in favor of the RPC getblock method
333 - Notable developer-related package changes:
334 - Many of the core packages have been relocated into the pod repository
335 (https://github.com/p9c/p9/issues/214)
336 - A new version of the btcjson package that has been completely
337 redesigned from the ground up based based upon how the project has
338 evolved and lessons learned while using it since it was first written
339 is now available in the btcjson/v2/btcjson directory
340 - This will ultimately replace the current version so anyone making
341 use of this package will need to update their code accordingly
342 - The btcec package now provides better facilities for working directly
343 with its public and private keys without having to mix elements from
344 the ecdsa package
345 - Update the script builder to ensure all rules specified by BIP0062 are
346 adhered to when creating scripts
347 - The blockchain package now provides a MedianTimeSource interface and
348 concrete implementation for providing time samples from remote peers
349 and using that data to calculate an offset against the local time
350 - Misc changes:
351 - Fix a slow memory leak due to tickers not being stopped
352 (https://github.com/p9c/p9/issues/189)
353 - Fix an issue where a mix of orphans and SPV clients could trigger a
354 condition where peers would no longer be served
355 (https://github.com/p9c/p9/issues/231)
356 - The RPC username and password can now contain symbols which previously
357 conflicted with special symbols used in URLs
358 - Improve handling of obtaining random nonces to prevent cases where it
359 could error when not enough entropy was available
360 - Improve handling of home directory creation errors such as in the case
361 of unmounted symlinks (https://github.com/p9c/p9/issues/193)
362 - Improve the error reporting for rejected transactions to include the
363 inputs which are missing and/or being double spent
364 - Update sample config file with new options and correct a comment
365 regarding the fact the RPC server only listens on localhost by default
366 (https://github.com/p9c/p9/issues/218)
367 - Update the continuous integration builds to run several tools which
368 help keep code quality high
369 - Significant amount of internal code cleanup and improvements
370 - Other minor internal optimizations
371 - Code Contributors (alphabetical order):
372 - Beldur
373 - Ben Holden-Crowther
374 - Dave Collins
375 - David Evans
376 - David Hill
377 - Guilherme Salgado
378 - Javed Khan
379 - Jimmy Song
380 - John C. Vernaleo
381 - Jonathan Gillham
382 - Josh Rickmar
383 - Michael Ford
384 - Michail Kargakis
385 - kac
386 - Olaoluwa Osuntokun
387 Changes in 0.9.0 (Sat Sep 20 2014)
388 - Protocol and network related changes:
389 - Add a new checkpoint at block height 319400
390 - Add support for BIP0037 bloom filters
391 (https://github.com/conformal/pod/issues/132)
392 - Implement BIP0061 reject handling and hence support for protocol
393 version 70002 (https://github.com/conformal/pod/issues/133)
394 - Add testnet DNS seeds for peer discovery (testnet-seed.alexykot.me
395 and testnet-seed.bitcoin.schildbach.de)
396 - Add mainnet DNS seed for peer discovery (seeds.bitcoin.open-nodes.org)
397 - Make multisig transactions with non-null dummy data nonstandard
398 (https://github.com/conformal/pod/issues/131)
399 - Make transactions with an excessive number of signature operations
400 nonstandard
401 - Perform initial DNS lookups concurrently which allows connections
402 more quickly
403 - Improve the address manager to significantly reduce memory usage and
404 add tests
405 - Remove orphan transactions when they appear in a mined block
406 (https://github.com/conformal/pod/issues/166)
407 - Apply incremental back off on connection retries for persistent peers
408 that give invalid replies to mirror the logic used for failed
409 connections (https://github.com/conformal/pod/issues/103)
410 - Correct rate-limiting of free and low-fee transactions
411 - Mining support changes:
412 - Implement getblocktemplate RPC with the following support:
413 (https://github.com/conformal/pod/issues/124)
414 - BIP0022 Non-Optional Sections
415 - BIP0022 Long Polling
416 - BIP0023 Basic Pool Extensions
417 - BIP0023 Mutation coinbase/append
418 - BIP0023 Mutations time, time/increment, and time/decrement
419 - BIP0023 Mutation transactions/add
420 - BIP0023 Mutations prevblock, coinbase, and generation
421 - BIP0023 Block Proposals
422 - Implement built-in concurrent CPU miner
423 (https://github.com/conformal/pod/issues/137)
424 NOTE: CPU mining on mainnet is pointless. This has been provided
425 for testing purposes such as for the new simulation test network
426 - Add --generate flag to enable CPU mining
427 - Deprecate the --getworkkey flag in favor of --miningaddr which
428 specifies which addresses generated blocks will choose from to pay
429 the subsidy to
430 - RPC changes:
431 - Implement gettxout command
432 (https://github.com/conformal/pod/issues/141)
433 - Implement validateaddress command
434 - Implement verifymessage command
435 - Mark getunconfirmedbalance RPC as wallet-only
436 - Mark getwalletinfo RPC as wallet-only
437 - Update getgenerate, setgenerate, gethashespersec, and getmininginfo
438 to return the appropriate information about new CPU mining status
439 - Modify getpeerinfo pingtime and pingwait field types to float64 so
440 they are compatible
441 - Improve disconnect handling for normal HTTP clients
442 - Make error code returns for invalid hex more consistent
443 - Websocket changes:
444 - Switch to a new more efficient websocket package
445 (https://github.com/conformal/pod/issues/134)
446 - Add rescanfinished notification
447 - Modify the rescanprogress notification to include block hash as well
448 as height (https://github.com/conformal/pod/issues/151)
449 - podctl utility changes:
450 - Accept --simnet flag which automatically selects the appropriate port
451 and TLS certificates needed to communicate with pod and btcwallet on
452 the simulation test network
453 - Fix createrawtransaction command to send amounts denominated in DUO
454 - Add estimatefee command
455 - Add estimatepriority command
456 - Add getmininginfo command
457 - Add getnetworkinfo command
458 - Add gettxout command
459 - Add lockunspent command
460 - Add signrawtransaction command
461 - addblock utility changes:
462 - Accept --simnet flag which automatically selects the appropriate port
463 and TLS certificates needed to communicate with pod and btcwallet on
464 the simulation test network
465 - Notable developer-related package changes:
466 - Provide a new bloom package in btcutil which allows creating and
467 working with BIP0037 bloom filters
468 - Provide a new hdkeychain package in btcutil which allows working with
469 BIP0032 hierarchical deterministic key chains
470 - Introduce a new btcnet package which houses network parameters
471 - Provide new simnet network (--simnet) which is useful for private
472 simulation testing
473 - Enforce low S values in serialized signatures as detailed in BIP0062
474 - Return errors from all methods on the podb.Db interface
475 (https://github.com/conformal/podb/issues/5)
476 - Allow behavior flags to alter btcchain.ProcessBlock
477 (https://github.com/conformal/btcchain/issues/5)
478 - Provide a new SerializeSize API for blocks
479 (https://github.com/conformal/btcwire/issues/19)
480 - Several of the core packages now work with Google App Engine
481 - Misc changes:
482 - Correct an issue where the database could corrupt under certain
483 circumstances which would require a new chain download
484 - Slightly optimize deserialization
485 - Use the correct IP block for he.net
486 - Fix an issue where it was possible the block manager could hang on
487 shutdown
488 - Update sample config file so the comments are on a separate line
489 rather than the end of a line so they are not interpreted as settings
490 (https://github.com/conformal/pod/issues/135)
491 - Correct an issue where getdata requests were not being properly
492 throttled which could lead to larger than necessary memory usage
493 - Always show help when given the help flag even when the config file
494 contains invalid entries
495 - General code cleanup and minor optimizations
496 Changes in 0.8.0-beta (Sun May 25 2014)
497 - Pod is now Beta (https://github.com/conformal/pod/issues/130)
498 - Add a new checkpoint at block height 300255
499 - Protocol and network related changes:
500 - Lower the minimum transaction relay fee to 1000 satoshi to match
501 recent reference client changes
502 (https://github.com/conformal/pod/issues/100)
503 - Raise the maximum signature script size to support standard 15-of-15
504 multi-signature pay-to-sript-hash transactions with compressed pubkeys
505 to remain compatible with the reference client
506 (https://github.com/conformal/pod/issues/128)
507 - Reduce max bytes allowed for a standard nulldata transaction to 40 for
508 compatibility with the reference client
509 - Introduce a new btcnet package which houses all of the network params
510 for each network (mainnet, testnet3, regtest) to ultimately enable
511 easier addition and tweaking of networks without needing to change
512 several packages
513 - Fix several script discrepancies found by reference client test data
514 - Add new DNS seed for peer discovery (seed.bitnodes.io)
515 - Reduce the max known inventory cache from 20000 items to 1000 items
516 - Fix an issue where unknown inventory types could lead to a hung peer
517 - Implement inventory rebroadcast handler for sendrawtransaction
518 (https://github.com/conformal/pod/issues/99)
519 - Update user agent to fully support BIP0014
520 (https://github.com/conformal/btcwire/issues/10)
521 - Implement initial mining support:
522 - Add a new logging subsystem for mining related operations
523 - Implement infrastructure for creating block templates
524 - Provide options to control block template creation settings
525 - Support the getwork RPC
526 - Allow address identifiers to apply to more than one network since both
527 testnet3 and the regression test network unfortunately use the same
528 identifier
529 - RPC changes:
530 - Set the content type for HTTP POST RPC connections to application/json
531 (https://github.com/conformal/pod/issues/121)
532 - Modified the RPC server startup so it only requires at least one valid
533 listen interface
534 - Correct an error path where it was possible certain errors would not
535 be returned
536 - Implement getwork command
537 (https://github.com/conformal/pod/issues/125)
538 - Update sendrawtransaction command to reject orphans
539 - Update sendrawtransaction command to include the reason a transaction
540 was rejected
541 - Update getinfo command to populate connection count field
542 - Update getinfo command to include relay fee field
543 (https://github.com/conformal/pod/issues/107)
544 - Allow transactions submitted with sendrawtransaction to bypass the
545 rate limiter
546 - Allow the getcurrentnet and getbestblock extensions to be accessed via
547 HTTP POST in addition to Websockets
548 (https://github.com/conformal/pod/issues/127)
549 - Websocket changes:
550 - Rework notifications to ensure they are delivered in the order they
551 occur
552 - Rename notifynewtxs command to notifyreceived (funds received)
553 - Rename notifyallnewtxs command to notifynewtransactions
554 - Rename alltx notification to txaccepted
555 - Rename allverbosetx notification to txacceptedverbose
556 (https://github.com/conformal/pod/issues/98)
557 - Add rescan progress notification
558 - Add recvtx notification
559 - Add redeemingtx notification
560 - Modify notifyspent command to accept an array of outpoints
561 (https://github.com/conformal/pod/issues/123)
562 - Significantly optimize the rescan command to yield up to a 60x speed
563 increase
564 - podctl utility changes:
565 - Add createencryptedwallet command
566 - Add getblockchaininfo command
567 - Add importwallet command
568 - Add addmultisigaddress command
569 - Add setgenerate command
570 - Accept --testnet and --wallet flags which automatically select
571 the appropriate port and TLS certificates needed to communicate
572 with pod and btcwallet (https://github.com/conformal/pod/issues/112)
573 - Allow path expansion from config file entries
574 (https://github.com/conformal/pod/issues/113)
575 - Minor refactor simplify handling of options
576 - addblock utility changes:
577 - Improve logging by making it consistent with the logging provided by
578 pod (https://github.com/conformal/pod/issues/90)
579 - Improve several package APIs for developers:
580 - Add new amount type for consistently handling monetary values
581 - Add new coin selector API
582 - Add new WIF (Wallet Import Format) API
583 - Add new crypto types for private keys and signatures
584 - Add new API to sign transactions including script merging and hash
585 types
586 - Expose function to extract all pushed data from a script
587 (https://github.com/conformal/btcscript/issues/8)
588 - Misc changes:
589 - Optimize address manager shuffling to do 67% less work on average
590 - Resolve a couple of benign data races found by the race detector
591 (https://github.com/conformal/pod/issues/101)
592 - Add IP address to all peer related errors to clarify which peer is the
593 cause (https://github.com/conformal/pod/issues/102)
594 - Fix a UPNP case issue that prevented the --upnp option from working
595 with some UPNP servers
596 - Update documentation in the sample config file regarding debug levels
597 - Adjust some logging levels to improve debug messages
598 - Improve the throughput of query messages to the block manager
599 - Several minor optimizations to reduce GC churn and enhance speed
600 - Other minor refactoring
601 - General code cleanup
602 Changes in 0.7.0 (Thu Feb 20 2014)
603 - Fix an issue when parsing scripts which contain a multi-signature script
604 which require zero signatures such as testnet block
605 000000001881dccfeda317393c261f76d09e399e15e27d280e5368420f442632
606 (https://github.com/conformal/btcscript/issues/7)
607 - Add check to ensure all transactions accepted to mempool only contain
608 canonical data pushes (https://github.com/conformal/btcscript/issues/6)
609 - Fix an issue causing excessive memory consumption
610 - Significantly rework and improve the websocket notification system:
611 - Each client is now independent so slow clients no longer limit the
612 speed of other connected clients
613 - Potentially long-running operations such as rescans are now run in
614 their own handler and rate-limited to one operation at a time without
615 preventing simultaneous requests from the same client for the faster
616 requests or notifications
617 - A couple of scenarios which could cause shutdown to hang have been
618 resolved
619 - Update notifynewtx notifications to support all address types instead
620 of only pay-to-pubkey-hash
621 - Provide a --rpcmaxwebsockets option to allow limiting the number of
622 concurrent websocket clients
623 - Add a new websocket command notifyallnewtxs to request notifications
624 (https://github.com/conformal/pod/issues/86) (thanks @flammit)
625 - Improve podctl utility in the following ways:
626 - Add getnetworkhashps command
627 - Add gettransaction command (wallet-specific)
628 - Add signmessage command (wallet-specific)
629 - Update getwork command to accept
630 - Continue cleanup and work on implementing the RPC API:
631 - Implement getnettotals command
632 (https://github.com/conformal/pod/issues/84)
633 - Implement networkhashps command
634 (https://github.com/conformal/pod/issues/87)
635 - Update getpeerinfo to always include syncnode field even when false
636 - Remove help addenda for getpeerinfo now that it supports all fields
637 - Close standard RPC connections on auth failure
638 - Provide a --rpcmaxclients option to allow limiting the number of
639 concurrent RPC clients (https://github.com/conformal/pod/issues/68)
640 - Include IP address in RPC auth failure log messages
641 - Resolve a rather harmless data races found by the race detector
642 (https://github.com/conformal/pod/issues/94)
643 - Increase block priority size and max standard transaction size to 50k
644 and 100k, respectively (https://github.com/conformal/pod/issues/71)
645 - Add rate limiting of free transactions to the memory pool to prevent
646 penny flooding (https://github.com/conformal/pod/issues/40)
647 - Provide a --logdir option (https://github.com/conformal/pod/issues/95)
648 - Change the default log file path to include the network
649 - Add a new ScriptBuilder interface to btcscript to support creation of
650 custom scripts (https://github.com/conformal/btcscript/issues/5)
651 - General code cleanup
652 Changes in 0.6.0 (Tue Feb 04 2014)
653 - Fix an issue when parsing scripts which contain invalid signatures that
654 caused a chain fork on block
655 0000000000000001e4241fd0b3469a713f41c5682605451c05d3033288fb2244
656 - Correct an issue which could lead to an error in removeBlockNode
657 (https://github.com/conformal/btcchain/issues/4)
658 - Improve addblock utility as follows:
659 - Check imported blocks against all chain rules and checkpoints
660 - Skip blocks which are already known so you can stop and restart the
661 import or start the import after you have already downloaded a portion
662 of the chain
663 - Correct an issue where the utility did not shutdown cleanly after
664 processing all blocks
665 - Add error on attempt to import orphan blocks
666 - Improve error handling and reporting
667 - Display statistics after input file has been fully processed
668 - Rework, optimize, and improve headers-first mode:
669 - Resuming the chain sync from any point before the final checkpoint
670 will now use headers-first mode
671 (https://github.com/conformal/pod/issues/69)
672 - Verify all checkpoints as opposed to only the final one
673 - Reduce and bound memory usage
674 - Rollback to the last known good point when a header does not match a
675 checkpoint
676 - Log information about what is happening with headers
677 - Improve podctl utility in the following ways:
678 - Add getaddednodeinfo command
679 - Add getnettotals command
680 - Add getblocktemplate command (wallet-specific)
681 - Add getwork command (wallet-specific)
682 - Add getnewaddress command (wallet-specific)
683 - Add walletpassphrasechange command (wallet-specific)
684 - Add walletlock command (wallet-specific)
685 - Add sendfrom command (wallet-specific)
686 - Add sendmany command (wallet-specific)
687 - Add settxfee command (wallet-specific)
688 - Add listsinceblock command (wallet-specific)
689 - Add listaccounts command (wallet-specific)
690 - Add keypoolrefill command (wallet-specific)
691 - Add getreceivedbyaccount command (wallet-specific)
692 - Add getrawchangeaddress command (wallet-specific)
693 - Add gettxoutsetinfo command (wallet-specific)
694 - Add listaddressgroupings command (wallet-specific)
695 - Add listlockunspent command (wallet-specific)
696 - Add listlock command (wallet-specific)
697 - Add listreceivedbyaccount command (wallet-specific)
698 - Add validateaddress command (wallet-specific)
699 - Add verifymessage command (wallet-specific)
700 - Add sendtoaddress command (wallet-specific)
701 - Continue cleanup and work on implementing the RPC API:
702 - Implement submitblock command
703 (https://github.com/conformal/pod/issues/61)
704 - Implement help command
705 - Implement ping command
706 - Implement getaddednodeinfo command
707 (https://github.com/conformal/pod/issues/78)
708 - Implement getinfo command
709 - Update getpeerinfo to support bytesrecv and bytessent
710 (https://github.com/conformal/pod/issues/83)
711 - Improve and correct several RPC server and websocket areas:
712 - Change the connection endpoint for websockets from /wallet to /ws
713 (https://github.com/conformal/pod/issues/80)
714 - Implement an alternative authentication for websockets so clients
715 such as javascript from browsers that don't support setting HTTP
716 headers can authenticate (https://github.com/conformal/pod/issues/77)
717 - Add an authentication deadline for RPC connections
718 (https://github.com/conformal/pod/issues/68)
719 - Use standard authentication failure responses for RPC connections
720 - Make automatically generated certificate more standard so it works
721 from client such as node.js and Firefox
722 - Correct some minor issues which could prevent the RPC server from
723 shutting down in an orderly fashion
724 - Make all websocket notifications require registration
725 - Change the data sent over websockets to text since it is JSON-RPC
726 - Allow connections that do not have an Origin header set
727 - Expose and track the number of bytes read and written per peer
728 (https://github.com/conformal/btcwire/issues/6)
729 - Correct an issue with sendrawtransaction when invoked via websockets
730 which prevented a minedtx notification from being added
731 - Rescan operations issued from remote wallets are no stopped when
732 the wallet disconnects mid-operation
733 (https://github.com/conformal/pod/issues/66)
734 - Several optimizations related to fetching block information from the
735 database
736 - General code cleanup
737 Changes in 0.5.0 (Mon Jan 13 2014)
738 - Optimize initial block download by introducing a new mode which
739 downloads the block headers first (up to the final checkpoint)
740 - Improve peer handling to remove the potential for slow peers to cause
741 sluggishness amongst all peers
742 (https://github.com/conformal/pod/issues/63)
743 - Fix an issue where the initial block sync could stall when the sync peer
744 disconnects (https://github.com/conformal/pod/issues/62)
745 - Correct an issue where --externalip was doing a DNS lookup on the full
746 host:port instead of just the host portion
747 (https://github.com/conformal/pod/issues/38)
748 - Fix an issue which could lead to a panic on chain switches
749 (https://github.com/conformal/pod/issues/70)
750 - Improve podctl utility in the following ways:
751 - Show getdifficulty output as floating point to 6 digits of precision
752 - Show all JSON object replies formatted as standard JSON
753 - Allow podctl getblock to accept optional params
754 - Add getaccount command (wallet-specific)
755 - Add getaccountaddress command (wallet-specific)
756 - Add sendrawtransaction command
757 - Continue cleanup and work on implementing RPC API calls
758 - Update getrawmempool to support new optional verbose flag
759 - Update getrawtransaction to match the reference client
760 - Update getblock to support new optional verbose flag
761 - Update raw transactions to fully match the reference client including
762 support for all transaction types and address types
763 - Correct getrawmempool fee field to return DUO instead of Satoshi
764 - Correct getpeerinfo service flag to return 8 digit string so it
765 matches the reference client
766 - Correct verifychain to return a boolean
767 - Implement decoderawtransaction command
768 - Implement createrawtransaction command
769 - Implement decodescript command
770 - Implement gethashespersec command
771 - Allow RPC handler overrides when invoked via a websocket versus
772 legacy connection
773 - Add new DNS seed for peer discovery
774 - Display user agent on new valid peer log message
775 (https://github.com/conformal/pod/issues/64)
776 - Notify wallet when new transactions that pay to registered addresses
777 show up in the mempool before being mined into a block
778 - Support a tor-specific proxy in addition to a normal proxy
779 (https://github.com/conformal/pod/issues/47)
780 - Remove deprecated sqlite3 imports from utilities
781 - Remove leftover profile write from addblock utility
782 - Quite a bit of code cleanup and refactoring to improve maintainability
783 Changes in 0.4.0 (Thu Dec 12 2013)
784 - Allow listen interfaces to be specified via --listen instead of only the
785 port (https://github.com/conformal/pod/issues/33)
786 - Allow listen interfaces for the RPC server to be specified via
787 --rpclisten instead of only the port
788 (https://github.com/conformal/pod/issues/34)
789 - Only disable listening when --connect or --proxy are used when no
790 --listen interface are specified
791 (https://github.com/conformal/pod/issues/10)
792 - Add several new standard transaction checks to transaction memory pool:
793 - Support nulldata scripts as standard
794 - Only allow a max of one nulldata output per transaction
795 - Enforce a maximum of 3 public keys in multi-signature transactions
796 - The number of signatures in multi-signature transactions must not
797 exceed the number of public keys
798 - The number of inputs to a signature script must match the expected
799 number of inputs for the script type
800 - The number of inputs pushed onto the stack by a redeeming signature
801 script must match the number of inputs consumed by the referenced
802 public key script
803 - When a block is connected, remove any transactions from the memory pool
804 which are now double spends as a result of the newly connected
805 transactions
806 - Don't relay transactions resurrected during a chain switch since
807 other peers will also be switching chains and therefore already know
808 about them
809 - Cleanup a few cases where rejected transactions showed as an error
810 rather than as a rejected transaction
811 - Ignore the default configuration file when --regtest (regression test
812 mode) is specified
813 - Implement TLS support for RPC including automatic certificate generation
814 - Support HTTP authentication headers for web sockets
815 - Update address manager to recognize and properly work with Tor
816 addresses (https://github.com/conformal/pod/issues/36) and
817 (https://github.com/conformal/pod/issues/37)
818 - Improve podctl utility in the following ways:
819 - Add the ability to specify a configuration file
820 - Add a default entry for the RPC cert to point to the location
821 it will likely be in the pod home directory
822 - Implement --version flag
823 - Provide a --notls option to support non-TLS configurations
824 - Fix a couple of minor races found by the Go race detector
825 - Improve logging
826 - Allow logging level to be specified on a per subsystem basis
827 (https://github.com/conformal/pod/issues/48)
828 - Allow logging levels to be dynamically changed via RPC
829 (https://github.com/conformal/pod/issues/15)
830 - Implement a rolling log file with a max of 10MB per file and a
831 rotation size of 3 which results in a max logging size of 30 MB
832 - Correct a minor issue with the rescanning websocket call
833 (https://github.com/conformal/pod/issues/54)
834 - Fix a race with pushing address messages that could lead to a panic
835 (https://github.com/conformal/pod/issues/58)
836 - Improve which external IP address is reported to peers based on which
837 interface they are connected through
838 (https://github.com/conformal/pod/issues/35)
839 - Add --externalip option to allow an external IP address to be specified
840 for cases such as tor hidden services or advanced network configurations
841 (https://github.com/conformal/pod/issues/38)
842 - Add --upnp option to support automatic port mapping via UPnP
843 (https://github.com/conformal/pod/issues/51)
844 - Update Ctrl+C interrupt handler to properly sync address manager and
845 remove the UPnP port mapping (if needed)
846 - Continue cleanup and work on implementing RPC API calls
847 - Add importprivkey (import private key) command to podctl
848 - Update getrawtransaction to provide addresses properly, support
849 new verbose param, and match the reference implementation with the
850 exception of MULTISIG (thanks @flammit)
851 - Update getblock with new verbose flag (thanks @flammit)
852 - Add listtransactions command to podctl
853 - Add getbalance command to podctl
854 - Add basic support for pod to run as a native Windows service
855 (https://github.com/conformal/pod/issues/42)
856 - Package addblock utility with Windows MSIs
857 - Add support for TravisCI (continuous build integration)
858 - Cleanup some documentation and usage
859 - Several other minor bug fixes and general code cleanup
860 Changes in 0.3.3 (Wed Nov 13 2013)
861 - Significantly improve initial block chain download speed
862 (https://github.com/conformal/pod/issues/20)
863 - Add a new checkpoint at block height 267300
864 - Optimize most recently used inventory handling
865 (https://github.com/conformal/pod/issues/21)
866 - Optimize duplicate transaction input check
867 (https://github.com/conformal/btcchain/issues/2)
868 - Optimize transaction hashing
869 (https://github.com/conformal/pod/issues/25)
870 - Rework and optimize wallet listener notifications
871 (https://github.com/conformal/pod/issues/22)
872 - Optimize serialization and deserialization
873 (https://github.com/conformal/pod/issues/27)
874 - Add support for minimum transaction fee to memory pool acceptance
875 (https://github.com/conformal/pod/issues/29)
876 - Improve leveldb database performance by removing explicit GC call
877 - Fix an issue where Ctrl+C was not always finishing orderly database
878 shutdown
879 - Fix an issue in the script handling for OP_CHECKSIG
880 - Impose max limits on all variable length protocol entries to prevent
881 abuse from malicious peers
882 - Enforce DER signatures for transactions allowed into the memory pool
883 - Separate the debug profile http server from the RPC server
884 - Rework of the RPC code to improve performance and make the code cleaner
885 - The getrawtransaction RPC call now properly checks the memory pool
886 before consulting the db (https://github.com/conformal/pod/issues/26)
887 - Add support for the following RPC calls: getpeerinfo, getconnectedcount,
888 addnode, verifychain
889 (https://github.com/conformal/pod/issues/13)
890 (https://github.com/conformal/pod/issues/17)
891 - Implement rescan websocket extension to allow wallet rescans
892 - Use correct paths for application data storage for all supported
893 operating systems (https://github.com/conformal/pod/issues/30)
894 - Add a default redirect to the http profiling page when accessing the
895 http profile server
896 - Add a new --cpuprofile option which can be used to generate CPU
897 profiling data on platforms that support it
898 - Several other minor performance optimizations
899 - Other minor bug fixes and general code cleanup
900 Changes in 0.3.2 (Tue Oct 22 2013)
901 - Fix an issue that could cause the download of the block chain to stall
902 (https://github.com/conformal/pod/issues/12)
903 - Remove deprecated sqlite as an available database backend
904 - Close sqlite compile issue as sqlite has now been removed
905 (https://github.com/conformal/pod/issues/11)
906 - Change default RPC ports to 11048 (mainnet) and 21048 (testnet)
907 - Continue cleanup and work on implementing RPC API calls
908 - Add support for the following RPC calls: getrawmempool,
909 getbestblockhash, decoderawtransaction, getdifficulty,
910 getconnectioncount, getpeerinfo, and addnode
911 - Improve the podctl utility that is used to issue JSON-RPC commands
912 - Fix an issue preventing pod from cleanly shutting down with the RPC
913 stop command
914 - Add a number of database interface tests to ensure backends implement
915 the expected interface
916 - Expose some additional information from btcscript to be used for
917 identifying "standard"" transactions
918 - Add support for plan9 - thanks @mischief
919 (https://github.com/conformal/pod/pull/19)
920 - Other minor bug fixes and general code cleanup
921 Changes in 0.3.1-alpha (Tue Oct 15 2013)
922 - Change default database to leveldb
923 NOTE: This does mean you will have to redownload the block chain. Since we
924 are still in alpha, we didn't feel writing a converter was worth the time as
925 it would take away from more important issues at this stage
926 - Add a warning if there are multiple block chain databases of different types
927 - Fix issue with unexpected EOF in leveldb -- https://github.com/conformal/pod/issues/18
928 - Fix issue preventing block 21066 on testnet -- https://github.com/conformal/btcchain/issues/1
929 - Fix issue preventing block 96464 on testnet -- https://github.com/conformal/btcscript/issues/1
930 - Optimize transaction lookups
931 - Correct a few cases of list removal that could result in improper cleanup
932 of no longer needed orphans
933 - Add functionality to increase ulimits on non-Windows platforms
934 - Add support for mempool command which allows remote peers to query the
935 transaction memory pool via the bitcoin protocol
936 - Clean up logging a bit
937 - Add a flag to disable checkpoints for developers
938 - Add a lot of useful debug logging such as message summaries
939 - Other minor bug fixes and general code cleanup
940 Initial Release 0.3.0-alpha (Sat Oct 05 2013):
941 - Initial release
942