/** * Copyright (c) 2016 Pavol Rusnak * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include "script.h" #include <string.h> #include "base58.h" int script_output_to_address(const uint8_t *script, int scriptlen, char *addr, int addrsize) { uint8_t raw[35] = {0}; // P2PKH if (scriptlen == 25 && script[0] == 0x76 && script[1] == 0xA9 && script[2] == 0x14 && script[23] == 0x88 && script[24] == 0xAC) { raw[0] = 0x00; memcpy(raw + 1, script + 3, 20); return base58_encode_check(raw, 1 + 20, HASHER_SHA2D, addr, addrsize); } // P2SH if (scriptlen == 23 && script[0] == 0xA9 && script[1] == 0x14 && script[22] == 0x87) { raw[0] = 0x05; memcpy(raw + 1, script + 2, 20); return base58_encode_check(raw, 1 + 20, HASHER_SHA2D, addr, addrsize); } // P2WPKH if (scriptlen == 22 && script[0] == 0x00 && script[1] == 0x14) { raw[0] = 0x06; raw[1] = 0x00; raw[2] = 0x00; memcpy(raw + 3, script + 2, 20); return base58_encode_check(raw, 3 + 20, HASHER_SHA2D, addr, addrsize); } // P2WSH if (scriptlen == 34 && script[0] == 0x00 && script[1] == 0x20) { raw[0] = 0x0A; raw[1] = 0x00; raw[2] = 0x00; memcpy(raw + 3, script + 2, 32); return base58_encode_check(raw, 3 + 32, HASHER_SHA2D, addr, addrsize); } return 0; }