lnwallet/size: updated with recent BOLT 5 constants
This commit is contained in:
Conner Fromknecht
parent
f0ac991979
commit
b3a80f7628
171
lnwallet/size.go
171
lnwallet/size.go
@ -18,12 +18,31 @@ const (
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// - WitnessScriptSHA256: 32 bytes
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P2WSHSize = 1 + 1 + 32
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// P2WKHOutputSize 31 bytes
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// - value: 8 bytes
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// - var_int: 1 byte (pkscript_length)
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// - pkscript (p2wpkh): 22 bytes
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P2WKHOutputSize = 8 + 1 + 22
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// P2WSHOutputSize 43 bytes
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// - value: 8 bytes
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// - var_int: 1 byte (pkscript_length)
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// - pkscript (p2wsh): 34 bytes
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P2WSHOutputSize = 8 + 1 + 34
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// P2WPKHSize 22 bytes
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// - OP_0: 1 byte
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// - OP_DATA: 1 byte (PublicKeyHASH160 length)
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// - PublicKeyHASH160: 20 bytes
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P2WPKHSize = 1 + 1 + 20
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// P2WKHWitnessSize 108 bytes
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// - OP_DATA: 1 byte (signature length)
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// - signature
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// - OP_DATA: 1 byte (pubkey length)
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// - pubkey
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P2WKHWitnessSize = 1 + 73 + 1 + 33
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// MultiSigSize 71 bytes
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// - OP_2: 1 byte
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// - OP_DATA: 1 byte (pubKeyAlice length)
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@ -45,7 +64,7 @@ const (
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// - WitnessScript (MultiSig)
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WitnessSize = 1 + 1 + 1 + 73 + 1 + 73 + 1 + MultiSigSize
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// FundingInputSize 41 bytes
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// InputSize 41 bytes
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// - PreviousOutPoint:
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// - Hash: 32 bytes
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// - Index: 4 bytes
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@ -57,7 +76,12 @@ const (
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// we separate the calculation of ordinary data
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// from witness data.
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// - Sequence: 4 bytes
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FundingInputSize = 32 + 4 + 1 + 4
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InputSize = 32 + 4 + 1 + 4
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// FundingInputSize represents the size of an input to a funding
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// transaction, and is equivalent to the size of a standard segwit input
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// as calculated above.
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FundingInputSize = InputSize
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// CommitmentDelayOutput 43 bytes
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// - Value: 8 bytes
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@ -82,7 +106,19 @@ const (
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// - Marker: 1 byte
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WitnessHeaderSize = 1 + 1
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// BaseCommitmentTxSize 125 43 * num-htlc-outputs bytes
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// BaseSweepTxSize 42 + 41 * num-swept-inputs bytes
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// - Version: 4 bytes
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// - WitnessHeader <---- part of the witness data
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// - CountTxIn: 2 byte
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// - TxIn: 41 * num-swept-inputs bytes
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// ....SweptInputs....
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// - CountTxOut: 1 byte
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// - TxOut: 31 bytes
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// P2WPKHOutput: 31 bytes
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// - LockTime: 4 bytes
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BaseSweepTxSize = 4 + 2 + 1 + P2WKHOutputSize + 4
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// BaseCommitmentTxSize 125 + 43 * num-htlc-outputs bytes
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// - Version: 4 bytes
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// - WitnessHeader <---- part of the witness data
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// - CountTxIn: 1 byte
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@ -119,7 +155,134 @@ const (
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// of a contract breach, the punishment transaction is able to sweep
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// all the HTLC's yet still remain below the widely used standard
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// weight limits.
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MaxHTLCNumber = 967
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MaxHTLCNumber = 966
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// ToLocalPenaltyScriptSize 83 bytes
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// - OP_IF: 1 byte
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// - OP_DATA: 1 byte (revocationkey length)
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// - revocationkey: 33 bytes
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// - OP_CHECKSIG: 1 byte
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// - OP_ELSE: 1 byte
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// - OP_DATA: 1 byte (localkey length)
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// - localkey: 33 bytes
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// - OP_CHECKSIG_VERIFY: 1 byte
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// - OP_DATA: 1 byte (delay length)
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// - delay: 8 bytes
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// -OP_CHECKSEQUENCEVERIFY: 1 byte
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// - OP_ENDIF: 1 byte
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ToLocalPenaltyScriptSize = 1 + 1 + 33 + 1 + 1 + 1 + 33 + 1 + 1 + 8 + 1 + 1
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// ToLocalPenaltyWitnessSize 160 bytes
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// - number_of_witness_elements: 1 byte
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// - revocation_sig_length: 1 byte
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// - revocation_sig: 73 bytes
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// - one_length: 1 byte
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// - witness_script_length: 1 byte
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// - witness_script (to_local_script)
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ToLocalPenaltyWitnessSize = 1 + 1 + 73 + 1 + 1 + ToLocalPenaltyScriptSize
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// AcceptedHtlcPenaltyScriptSize 139 bytes
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// - OP_DUP: 1 byte
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// - OP_HASH160: 1 byte
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// - OP_DATA: 1 byte (RIPEMD160(SHA256(revocationkey)) length)
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// - RIPEMD160(SHA256(revocationkey)): 20 bytes
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// - OP_EQUAL: 1 byte
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// - OP_IF: 1 byte
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// - OP_CHECKSIG: 1 byte
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// - OP_ELSE: 1 byte
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// - OP_DATA: 1 byte (remotekey length)
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// - remotekey: 33 bytes
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// - OP_SWAP: 1 byte
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// - OP_SIZE: 1 byte
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// - 32: 1 byte
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// - OP_EQUAL: 1 byte
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// - OP_IF: 1 byte
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// - OP_HASH160: 1 byte
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// - OP_DATA: 1 byte (RIPEMD160(payment_hash) length)
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// - RIPEMD160(payment_hash): 20 bytes
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// - OP_EQUALVERIFY: 1 byte
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// - 2: 1 byte
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// - OP_SWAP: 1 byte
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// - OP_DATA: 1 byte (localkey length)
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// - localkey: 33 bytes
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// - 2: 1 byte
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// - OP_CHECKMULTISIG: 1 byte
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// - OP_ELSE: 1 byte
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// - OP_DROP: 1 byte
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// - OP_DATA: 1 byte (cltv_expiry length)
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// - cltv_expiry: 4 bytes
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// - OP_CHECKLOCKTIMEVERIFY: 1 byte
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// - OP_DROP: 1 byte
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// - OP_CHECKSIG: 1 byte
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// - OP_ENDIF: 1 byte
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// - OP_ENDIF: 1 byte
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AcceptedHtlcPenaltyScriptSize = 3*1 + 20 + 5*1 + 33 + 7*1 + 20 + 4*1 +
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33 + 5*1 + 4 + 5*1
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// AcceptedHtlcPenaltyWitnessSize 249 bytes
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// - number_of_witness_elements: 1 byte
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// - revocation_sig_length: 1 byte
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// - revocation_sig: 73 bytes
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// - revocation_key_length: 1 byte
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// - revocation_key: 33 bytes
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// - witness_script_length: 1 byte
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// - witness_script (accepted_htlc_script)
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AcceptedHtlcPenaltyWitnessSize = 1 + 1 + 73 + 1 + 33 + 1 +
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AcceptedHtlcPenaltyScriptSize
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// OfferedHtlcScriptSize 133 bytes
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// - OP_DUP: 1 byte
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// - OP_HASH160: 1 byte
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// - OP_DATA: 1 byte (RIPEMD160(SHA256(revocationkey)) length)
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// - RIPEMD160(SHA256(revocationkey)): 20 bytes
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// - OP_EQUAL: 1 byte
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// - OP_IF: 1 byte
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// - OP_CHECKSIG: 1 byte
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// - OP_ELSE: 1 byte
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// - OP_DATA: 1 byte (remotekey length)
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// - remotekey: 33 bytes
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// - OP_SWAP: 1 byte
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// - OP_SIZE: 1 byte
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// - OP_DATA: 1 byte (32 length)
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// - 32: 1 byte
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// - OP_EQUAL: 1 byte
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// - OP_NOTIF: 1 byte
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// - OP_DROP: 1 byte
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// - 2: 1 byte
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// - OP_SWAP: 1 byte
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// - OP_DATA: 1 byte (localkey length)
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// - localkey: 33 bytes
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// - 2: 1 byte
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// - OP_CHECKMULTISIG: 1 byte
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// - OP_ELSE: 1 byte
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// - OP_HASH160: 1 byte
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// - OP_DATA: 1 byte (RIPEMD160(payment_hash) length)
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// - RIPEMD160(payment_hash): 20 bytes
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// - OP_EQUALVERIFY: 1 byte
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// - OP_CHECKSIG: 1 byte
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// - OP_ENDIF: 1 byte
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// - OP_ENDIF: 1 byte
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OfferedHtlcScriptSize = 3*1 + 20 + 5*1 + 33 + 10*1 + 33 + 5*1 + 20 + 4*1
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// OfferedHtlcWitnessSize 243 bytes
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// - number_of_witness_elements: 1 byte
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// - revocation_sig_length: 1 byte
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// - revocation_sig: 73 bytes
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// - revocation_key_length: 1 byte
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// - revocation_key: 33 bytes
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// - witness_script_length: 1 byte
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// - witness_script (offered_htlc_script)
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OfferedHtlcWitnessSize = 1 + 1 + 73 + 1 + 33 + 1 + OfferedHtlcScriptSize
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// OfferedHtlcPenaltyWitnessSize 243 bytes
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// - number_of_witness_elements: 1 byte
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// - revocation_sig_length: 1 byte
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// - revocation_sig: 73 bytes
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// - revocation_key_length: 1 byte
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// - revocation_key: 33 bytes
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// - witness_script_length: 1 byte
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// - witness_script (offered_htlc_script)
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OfferedHtlcPenaltyWitnessSize = 1 + 1 + 73 + 1 + 1 + OfferedHtlcScriptSize
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)
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// estimateCommitTxWeight estimate commitment transaction weight depending on
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