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Prepare for release 0.10.0-beta.
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Dave Collins
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@ -3,6 +3,161 @@ User visible changes for btcd
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A full-node bitcoin implementation written in Go
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============================================================================
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Changes in 0.10.0 (Sun Mar 01 2015)
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- Protocol and network related changes:
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- Add a new checkpoint at block height 343185
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- Implement BIP066 which includes support for version 3 blocks, a new
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consensus rule which prevents non-DER encoded signatures, and a
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double-threshold switchover mechanism
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- Rather than announcing all known addresses on getaddr requests which
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can possibly result in multiple messages, randomize the results and
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limit them to the max allowed by a single message (1000 addresses)
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- Add more reserved IP spaces to the address manager
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- Transaction relay (memory pool) changes:
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- Make transactions which contain reserved opcodes nonstandard
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- No longer accept or relay free and low-fee transactions that have
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insufficient priority to be mined in the next block
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- Implement support for the following rules specified by BIP0062:
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- ECDSA signature must use strict DER encoding (rule 1)
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- The signature script must only contain push operations (rule 2)
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- All push operations must use the smallest possible encoding (rule 3)
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- All stack values interpreted as a number must be encoding using the
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shortest possible form (rule 4)
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- NOTE: Rule 1 was already enforced, however the entire script now
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evaluates to false rather than only the signature verification as
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required by BIP0062
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- Allow transactions with nulldata transaction outputs to be treated as
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standard
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- Mining support changes:
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- Modify the getblocktemplate RPC to generate and return block templates
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for version 3 blocks which are compatible with BIP0066
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- Allow getblocktemplate to serve blocks when the current time is
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less than the minimum allowed time for a generated block template
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(https://github.com/btcsuite/btcd/issues/209)
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- Crypto changes:
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- Optimize scalar multiplication by the base point by using a
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pre-computed table which results in approximately a 35% speedup
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(https://github.com/btcsuite/btcec/issues/2)
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- Optimize general scalar multiplication by using the secp256k1
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endomorphism which results in approximately a 17-20% speedup
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(https://github.com/btcsuite/btcec/issues/1)
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- Optimize general scalar multiplication by using non-adjacent form
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which results in approximately an additional 8% speedup
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(https://github.com/btcsuite/btcec/issues/3)
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- Implement optional address indexing:
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- Add a new parameter --addrindex which will enable the creation of an
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address index which can be queried to determine all transactions which
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involve a given address
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(https://github.com/btcsuite/btcd/issues/190)
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- Add a new logging subsystem for address index related operations
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- Support new searchrawtransactions RPC
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(https://github.com/btcsuite/btcd/issues/185)
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- RPC changes:
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- Require TLS version 1.2 as the minimum version for all TLS connections
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- Provide support for disabling TLS when only listening on localhost
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(https://github.com/btcsuite/btcd/pull/192)
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- Modify help output for all commands to provide much more consistent
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and detailed information
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- Correct case in getrawtransaction which would refuse to serve certain
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transactions with invalid scripts
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(https://github.com/btcsuite/btcd/issues/210)
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- Correct error handling in the getrawtransaction RPC which could lead
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to a crash in rare cases
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(https://github.com/btcsuite/btcd/issues/196)
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- Update getinfo RPC to include the appropriate 'timeoffset' calculated
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from the median network time
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- Modify listreceivedbyaddress result type to include txids field so it
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is compatible
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- Add 'iswatchonly' field to validateaddress result
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- Add 'startingpriority' and 'currentpriority' fields to getrawmempool
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(https://github.com/btcsuite/btcd/issues/178)
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- Don't omit the 'confirmations' field from getrawtransaction when it is
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zero
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- Websocket changes:
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- Modify the behavior of the rescan command to automatically register
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for notifications about transactions paying to rescanned addresses
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or spending outputs from the final rescan utxo set when the rescan
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is through the best block in the chain
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- btcctl utility changes:
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- Make the list of commands available via the -l option rather than
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dumping the entire list on usage errors
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- Alphabetize and categorize the list of commands by chain and wallet
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- Make the help option only show the help options instead of also
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dumping all of the commands
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- Make the usage syntax much more consistent and correct a few cases of
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misnamed fields
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(https://github.com/btcsuite/btcd/issues/305)
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- Improve usage errors to show the specific parameter number, reason,
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and error code
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- Only show the usage for specific command is shown when a valid command
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is provided with invalid parameters
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- Add support for a SOCK5 proxy
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- Modify output for integer fields (such as timestamps) to display
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normally instead in scientific notation
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- Add invalidateblock command
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- Add reconsiderblock command
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- Add createnewaccount command
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- Add renameaccount command
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- Add searchrawtransactions command
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- Add importaddress command
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- Add importpubkey command
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- showblock utility changes:
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- Remove utility in favor of the RPC getblock method
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- Notable developer-related package changes:
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- Many of the core packages have been relocated into the btcd repository
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(https://github.com/btcsuite/btcd/issues/214)
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- A new version of the btcjson package that has been completely
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redesigned from the ground up based based upon how the project has
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evolved and lessons learned while using it since it was first written
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is now available in the btcjson/v2/btcjson directory
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- This will ultimately replace the current version so anyone making
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use of this package will need to update their code accordingly
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- The btcec package now provides better facilities for working directly
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with its public and private keys without having to mix elements from
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the ecdsa package
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- Update the script builder to ensure all rules specified by BIP0062 are
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adhered to when creating scripts
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- The blockchain package now provides a MedianTimeSource interface and
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concrete implementation for providing time samples from remote peers
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and using that data to calculate an offset against the local time
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- Misc changes:
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- Fix a slow memory leak due to tickers not being stopped
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(https://github.com/btcsuite/btcd/issues/189)
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- Fix an issue where a mix of orphans and SPV clients could trigger a
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condition where peers would no longer be served
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(https://github.com/btcsuite/btcd/issues/231)
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- The RPC username and password can now contain symbols which previously
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conflicted with special symbols used in URLs
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- Improve handling of obtaining random nonces to prevent cases where it
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could error when not enough entropy was available
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- Improve handling of home directory creation errors such as in the case
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of unmounted symlinks (https://github.com/btcsuite/btcd/issues/193)
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- Improve the error reporting for rejected transactions to include the
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inputs which are missing and/or being double spent
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- Update sample config file with new options and correct a comment
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regarding the fact the RPC server only listens on localhost by default
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(https://github.com/btcsuite/btcd/issues/218)
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- Update the continuous integration builds to run several tools which
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help keep code quality high
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- Significant amount of internal code cleanup and improvements
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- Other minor internal optimizations
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- Code Contributors (alphabetical order):
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- Beldur
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- Ben Holden-Crowther
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- Dave Collins
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- David Evans
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- David Hill
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- Guilherme Salgado
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- Javed Khan
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- Jimmy Song
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- John C. Vernaleo
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- Jonathan Gillham
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- Josh Rickmar
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- Michael Ford
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- Michail Kargakis
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- kac
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- Olaoluwa Osuntokun
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Changes in 0.9.0 (Sat Sep 20 2014)
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- Protocol and network related changes:
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- Add a new checkpoint at block height 319400
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@ -17,7 +17,7 @@ const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqr
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// versioning 2.0.0 spec (http://semver.org/).
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const (
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appMajor uint = 0
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appMinor uint = 9
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appMinor uint = 10
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appPatch uint = 0
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// appPreRelease MUST only contain characters from semanticAlphabet
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@ -17,7 +17,7 @@ const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqr
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// versioning 2.0.0 spec (http://semver.org/).
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const (
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appMajor uint = 0
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appMinor uint = 9
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appMinor uint = 10
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appPatch uint = 0
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// appPreRelease MUST only contain characters from semanticAlphabet
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