* Update constants
* Add to transaction SigOpCount
* Update mass calculation, and move it from InContext to InIsolation
* Update block validation accordingly
* Add SigOpCount validation during TransactionInContext
* Remove checking of mass vs maxMassAcceptedByBlock from consensusStateManager
* Update mining manager with latest changes
* Add SigOpCount to MsgTx.Copy()
* Fix initTestTransactionAcceptanceDataForClone
* Fix all tests in transaction_equal_clone_test.go
* Fix TestBlockMass
* Fix tests in transactionvalidator package
* Add SigOpCount to sighash
* Fix TestPruningDepth
* Fix problems in libkaspawalelt
* Fix integration tests
* Fix CalculateSignatureHash tests
* Remove remaining places talking about block size
* Add sanity check to checkBlockMass to make sure all transactions have their mass filled
* always add own sigOpCount to sigHash
* Update protowire/rpc.md
* Start working on removing any remaining reference to block/tx size
* Update rpc transaction verbose data to include mass rather then size
* Convert verboseData and block size check to mass
* Remove remaining usages of tx size in mempool
* Move transactionEstimatedSerializedSize to transactionvalidator
* Add PopulateMass to fakeRelayInvsContext
* Move PopulateMass to beggining of ValidateAndInsertTransaction + fix in it
* Assign mass a new number for backward-compatibility
* Add ECDSA support
* Add domain separation to ECDSA sighash
* Use InfallibleWrite instead of Write
* Rename funcs
* Fix wrong use if vm.sigCache
* Add TestCalculateSignatureHashECDSA
* Add consts
* Fix comment and test name
* Move consts to the top
* Fix comment
* Move CalculateSignatureHash to consensushashing
* Added CalcSignatureHash_BIP143 with all parameters except the re-used hashes
* Add handling of outputHash
* Add sequencesHash to the mix
* Add previousOutputsHash to the mix
* Replace legacy CalculateSigHash with new one, and re-wire to all non-test code
* Add missing types to WriteElement
* Fix tests in txscript
* Fix tests in rest of code
* Add missing comments
* Add SubnetworkID and Gas to sigHash
* Add TestCalculateSignatureHash
* Invert condition in SigHashSingle getOutputsHash
* Explicitly define that payloadHash for native transactions is 0
* added benchmark to CalculateSignatureHash
* Reformat call for signAndCheck
* Change SigHashes to be true bit-fields
* Add check for transaction version
* Write length of byte array in WriteElement
* hashOutpoint should get outpoint, not txIn
* Use inputIndex instead of i to determine SigHashType
* Use correct transaction version + fix some typos
* Fix hashes in test
* Reformat an overly-long line
* Replace checkHashTypeEncoding with caalls to hashType.IsStandardSigHashType
* Convert hashType to uint8
* Add comment
