3.0.0

From this release users can expect out-of-the-box Segregated Witness support. The majority of breaking changes have been in how script encoding/decoding occurs, with the introduction of witness stacks.

added

• Added script.types enums (#679)
• Added script.*.*.{check,encode,decode[,encodeStack,decodeStack]} functions (#681, #682)
• Added minimal TransactionBuilder.prototype.build absurd fee-safety (#696)
• Added script.(decompile/compile)PushOnly and script.toStack functions (#700)
• Added Transaction.prototype.toBuffer Segregated Witness serialization support (#684, #701)
• Added Transaction.prototype.hasWitnesses (#718)
• Added script.witnessCommitment.* template
• Added TransactionBuilder.prototype.sign now has two additional parameters, witnessValue, and witnessScript
• Added Transaction.hashForWitnessV0 and Transaction.setWitness (5c2fdb60436714f18440dc709f0be065928c1e49)

fixed

• Fixed script must compile minimally (#638)
• Fixed Transaction and Block versions should be Int32, signed integers (#662)

removed

• Removed ecdsa.calcPubKeyRecoveryParam, ecdsa.recoverPubKey (#456)
• Removed buffer-equals/buffer-compare dependencies (#650)
• Removed HDNode.prototype.toString (#665)
• Removed dogecoin network (#675)
• Removed message export, moved to bitcoinjs-message (#456)

renamed

• Removed script.* functions in favour of bitcoin.script.*.(input/output).(encode/decode/check) style (#682)

2.3.0

added

• Added HDNode.prototype.isNeutered (#536)
• Added HDNode.prototype.derivePath (#538)
• Added typeforce checking for HDNode.prototype.derive* (#539)
• Added Transaction.prototype.isCoinbase (#578)
• Added Block.prototype.checkMerkleRoot (#580)
• Added Block.calculateMerkleRoot (#580)
• Added TransactionBuilder.prototype.setVersion (#599)
• Added script.isWitnessPubKeyHashOutput (#602)
• Added script.isWitnessScriptHashOutput (#602)
• Added script.witnessPubKeyHashOutput (#602)
• Added script.witnessScriptHashOutput (#602)
• Added script.witnessScriptHashInput (#602)

fixed

• Fixed "BIP32 is undefined" when network list given to HDNode but no compatible version found (#550)
• Fixed writePushDataInt output to adhere to minimal data push policy (#617)

2.2.0

added

• Added Block.calculateTarget for difficulty calculations (#509)
• Added Block.prototype.checkProofOfWork (#509)
• Added opcodes.OP_CHECKLOCKTIMEVERIFY alias for OP_NOP2 (#511)
• Added script.number.[encode/decode] for CScriptNum-encoded Buffers (#516)
• Added TransactionBuilder.prototype.setLockTime (#507)

fixed

• Bumped typeforce version to fix erroneous error message from types.Hash*bit types (#534)

2.1.4

fixed

• script.isPubKeyHashOutput and script.isScriptHashOutput no longer allow for non-minimal data pushes (per bitcoin/bitcoin IsStandard policy) (#499)
• TransactionBuilder.addOutput now allows for SIGHASH_SINGLE, throwing if the contract is violated (#504)
• remove use of const, use ES5 only (#502)

2.1.3

fixed

• Bumped typeforce to 1.5.5 (see #493)

2.1.2

fixed

• Add missing CHANGELOG entry for 2.1.1

2.1.1

changed

• removed use of buffer-reverse, dependency only kept for bufferutils.reverse, to be deprecated (#478)

fixed

• isMultisigOutput no longer allows data chunks for m/n (#482)
• isMultisigOutput's n value must now match the number of public keys (as per bitcoin/bitcoin) (#484)