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October 24, 2017 15:56
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| /** pruned version of CTransaction: only retains metadata and unspent transaction outputs | |
| * | |
| * Serialized format: | |
| * - VARINT(nVersion) | |
| * - VARINT(nCode) | |
| * - unspentness bitvector, for vout[2] and further; least significant byte first | |
| * - the non-spent CTxOuts (via CTxOutCompressor) | |
| * - VARINT(nHeight) | |
| * | |
| * The nCode value consists of: | |
| * - bit 1: IsCoinBase() | |
| * - bit 2: vout[0] is not spent | |
| * - bit 4: vout[1] is not spent | |
| * - The higher bits encode N, the number of non-zero bytes in the following bitvector. | |
| * - In case both bit 2 and bit 4 are unset, they encode N-1, as there must be at | |
| * least one non-spent output). | |
| * | |
| * Example: 0104835800816115944e077fe7c803cfa57f29b36bf87c1d358bb85e | |
| * <><><--------------------------------------------><----> | |
| * | \ | / | |
| * version code vout[1] height | |
| * | |
| * - version = 1 | |
| * - code = 4 (vout[1] is not spent, and 0 non-zero bytes of bitvector follow) | |
| * - unspentness bitvector: as 0 non-zero bytes follow, it has length 0 | |
| * - vout[1]: 835800816115944e077fe7c803cfa57f29b36bf87c1d35 | |
| * * 8358: compact amount representation for 60000000000 (600 BTC) | |
| * * 00: special txout type pay-to-pubkey-hash | |
| * * 816115944e077fe7c803cfa57f29b36bf87c1d35: address uint160 | |
| * - height = 203998 | |
| * | |
| * | |
| * Example: 0109044086ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4eebbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa486af3b | |
| * <><><--><--------------------------------------------------><----------------------------------------------><----> | |
| * / \ \ | | / | |
| * version code unspentness vout[4] vout[16] height | |
| * | |
| * - version = 1 | |
| * - code = 9 (coinbase, neither vout[0] or vout[1] are unspent, | |
| * 2 (1, +1 because both bit 2 and bit 4 are unset) non-zero bitvector bytes follow) | |
| * - unspentness bitvector: bits 2 (0x04) and 14 (0x4000) are set, so vout[2+2] and vout[14+2] are unspent | |
| * - vout[4]: 86ef97d5790061b01caab50f1b8e9c50a5057eb43c2d9563a4ee | |
| * * 86ef97d579: compact amount representation for 234925952 (2.35 BTC) | |
| * * 00: special txout type pay-to-pubkey-hash | |
| * * 61b01caab50f1b8e9c50a5057eb43c2d9563a4ee: address uint160 | |
| * - vout[16]: bbd123008c988f1a4a4de2161e0f50aac7f17e7f9555caa4 | |
| * * bbd123: compact amount representation for 110397 (0.001 BTC) | |
| * * 00: special txout type pay-to-pubkey-hash | |
| * * 8c988f1a4a4de2161e0f50aac7f17e7f9555caa4: address uint160 | |
| * - height = 120891 | |
| */ |
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SegWit input scriptSigs will have one of these patterns: