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lnwallet: add size estimates for second level HTLC script+spends

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Olaoluwa Osuntokun 2018-01-20 19:43:45 -08:00
parent 783f01e1c7
commit cca0d64ea4
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1 changed files with 29 additions and 0 deletions
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29
lnwallet/size.go
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@ -219,6 +219,35 @@ const (
// - witness_script (to_local_script)
ToLocalPenaltyWitnessSize = 1 + 1 + 73 + 1 + 1 + ToLocalScriptSize
// SecondLevelHtlcScriptSize 73 bytes
// - OP_IF: 1 byte
// - OP_DATA: 1 byte
// - revoke_key: 33 bytes
// - OP_ELSE: 1 byte
// - csv_delay: 1 byte
// - OP_CHECKSEQUENCEVERIFY: 1 byte
// - OP_DROP: 1 byte
// - delay_key: 33 bytes
// - OP_ENDIF: 1 byte
// - OP_CHECKSIG: 1 byte
SecondLevelHtlcScriptSize = 73
// SecondLevelHtlcPenaltyWitnessSize 149 bytes
// - number_of_witness_elements: 1 byte
// - revoke_sig_length: 1 byte
// - revoke_sig: 73 bytes
// - OP_TRUE: 1 byte
// - witness_script (second_level_script_size)
SecondLevelHtlcPenaltyWitnessSize = 1 + 1 + 73 + 1 + SecondLevelHtlcScriptSize
// SecondLevelHtlcSuccessWitnessSize 149 bytes
// - number_of_witness_elements: 1 byte
// - success_sig_length: 1 byte
// - success_sig: 73 bytes
// - nil_length: 1 byte
// - witness_script (second_level_script_size)
SecondLevelHtlcSuccessWitnessSize = 1 + 1 + 73 + 1 + SecondLevelHtlcScriptSize
// AcceptedHtlcScriptSize 139 bytes
// - OP_DUP: 1 byte
// - OP_HASH160: 1 byte