mirror of
https://github.com/ElementsProject/lightning.git
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dc868630a8
Update the `bitcoin_tx_add_input` interface to accept a witness script and or scriptPubkey. We save the amount + witness script + witness program (if known) to the PSBT object for a transaction when creating an input.
230 lines
9.0 KiB
C
230 lines
9.0 KiB
C
#include <assert.h>
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#include <bitcoin/address.h>
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#include <bitcoin/base58.h>
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#include <bitcoin/privkey.h>
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#include <bitcoin/pubkey.h>
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#include <ccan/str/hex/hex.h>
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#include <common/setup.h>
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#include <common/type_to_string.h>
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#include <common/utils.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include "../amount.c"
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#define SUPERVERBOSE printf
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#include "../funding_tx.c"
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#undef SUPERVERBOSE
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#include "../key_derive.c"
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#include "../type_to_string.c"
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#include "../permute_tx.c"
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#include "../utxo.c"
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/* AUTOGENERATED MOCKS START */
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/* Generated stub for fromwire */
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const u8 *fromwire(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, void *copy UNNEEDED, size_t n UNNEEDED)
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{ fprintf(stderr, "fromwire called!\n"); abort(); }
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/* Generated stub for fromwire_bool */
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bool fromwire_bool(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_bool called!\n"); abort(); }
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/* Generated stub for fromwire_fail */
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void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
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/* Generated stub for fromwire_node_id */
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void fromwire_node_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct node_id *id UNNEEDED)
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{ fprintf(stderr, "fromwire_node_id called!\n"); abort(); }
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/* Generated stub for fromwire_secp256k1_ecdsa_signature */
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void fromwire_secp256k1_ecdsa_signature(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
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secp256k1_ecdsa_signature *signature UNNEEDED)
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{ fprintf(stderr, "fromwire_secp256k1_ecdsa_signature called!\n"); abort(); }
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/* Generated stub for fromwire_sha256 */
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void fromwire_sha256(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct sha256 *sha256 UNNEEDED)
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{ fprintf(stderr, "fromwire_sha256 called!\n"); abort(); }
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/* Generated stub for fromwire_tal_arrn */
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u8 *fromwire_tal_arrn(const tal_t *ctx UNNEEDED,
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const u8 **cursor UNNEEDED, size_t *max UNNEEDED, size_t num UNNEEDED)
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{ fprintf(stderr, "fromwire_tal_arrn called!\n"); abort(); }
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/* Generated stub for fromwire_u16 */
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u16 fromwire_u16(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_u16 called!\n"); abort(); }
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/* Generated stub for fromwire_u32 */
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u32 fromwire_u32(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_u32 called!\n"); abort(); }
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/* Generated stub for fromwire_u64 */
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u64 fromwire_u64(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_u64 called!\n"); abort(); }
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/* Generated stub for fromwire_u8 */
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u8 fromwire_u8(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
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{ fprintf(stderr, "fromwire_u8 called!\n"); abort(); }
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/* Generated stub for towire */
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void towire(u8 **pptr UNNEEDED, const void *data UNNEEDED, size_t len UNNEEDED)
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{ fprintf(stderr, "towire called!\n"); abort(); }
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/* Generated stub for towire_bool */
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void towire_bool(u8 **pptr UNNEEDED, bool v UNNEEDED)
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{ fprintf(stderr, "towire_bool called!\n"); abort(); }
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/* Generated stub for towire_node_id */
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void towire_node_id(u8 **pptr UNNEEDED, const struct node_id *id UNNEEDED)
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{ fprintf(stderr, "towire_node_id called!\n"); abort(); }
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/* Generated stub for towire_secp256k1_ecdsa_signature */
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void towire_secp256k1_ecdsa_signature(u8 **pptr UNNEEDED,
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const secp256k1_ecdsa_signature *signature UNNEEDED)
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{ fprintf(stderr, "towire_secp256k1_ecdsa_signature called!\n"); abort(); }
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/* Generated stub for towire_sha256 */
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void towire_sha256(u8 **pptr UNNEEDED, const struct sha256 *sha256 UNNEEDED)
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{ fprintf(stderr, "towire_sha256 called!\n"); abort(); }
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/* Generated stub for towire_u16 */
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void towire_u16(u8 **pptr UNNEEDED, u16 v UNNEEDED)
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{ fprintf(stderr, "towire_u16 called!\n"); abort(); }
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/* Generated stub for towire_u32 */
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void towire_u32(u8 **pptr UNNEEDED, u32 v UNNEEDED)
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{ fprintf(stderr, "towire_u32 called!\n"); abort(); }
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/* Generated stub for towire_u64 */
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void towire_u64(u8 **pptr UNNEEDED, u64 v UNNEEDED)
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{ fprintf(stderr, "towire_u64 called!\n"); abort(); }
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/* Generated stub for towire_u8 */
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void towire_u8(u8 **pptr UNNEEDED, u8 v UNNEEDED)
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{ fprintf(stderr, "towire_u8 called!\n"); abort(); }
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/* Generated stub for towire_u8_array */
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void towire_u8_array(u8 **pptr UNNEEDED, const u8 *arr UNNEEDED, size_t num UNNEEDED)
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{ fprintf(stderr, "towire_u8_array called!\n"); abort(); }
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/* AUTOGENERATED MOCKS END */
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#if 0
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static struct sha256 sha256_from_hex(const char *hex)
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{
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struct sha256 sha256;
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if (strstarts(hex, "0x"))
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hex += 2;
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if (!hex_decode(hex, strlen(hex), &sha256, sizeof(sha256)))
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abort();
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return sha256;
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}
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static struct privkey privkey_from_hex(const char *hex)
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{
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struct privkey pk;
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size_t len;
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if (strstarts(hex, "0x"))
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hex += 2;
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len = strlen(hex);
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if (len == 66 && strends(hex, "01"))
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len -= 2;
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if (!hex_decode(hex, len, &pk, sizeof(pk)))
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abort();
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return pk;
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}
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#endif
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int main(int argc, const char *argv[])
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{
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common_setup(argv[0]);
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struct bitcoin_tx *input, *funding;
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struct amount_sat fee, change;
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struct pubkey local_funding_pubkey, remote_funding_pubkey;
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struct privkey input_privkey;
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struct pubkey inputkey;
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bool testnet;
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struct utxo utxo;
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const struct utxo **utxomap;
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struct amount_sat funding_sat;
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u16 funding_outnum;
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u8 *subscript, *script;
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struct bitcoin_signature sig;
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struct bitcoin_address addr;
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struct amount_sat tmpamt;
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struct amount_asset asset;
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chainparams = chainparams_for_network("bitcoin");
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/* BOLT #3:
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*
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* Block 1 coinbase transaction: 01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff03510101ffffffff0100f2052a010000001976a9143ca33c2e4446f4a305f23c80df8ad1afdcf652f988ac00000000
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*/
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input = bitcoin_tx_from_hex(tmpctx,
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"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff03510101ffffffff0100f2052a010000001976a9143ca33c2e4446f4a305f23c80df8ad1afdcf652f988ac00000000",
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strlen("01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff03510101ffffffff0100f2052a010000001976a9143ca33c2e4446f4a305f23c80df8ad1afdcf652f988ac00000000"));
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input->chainparams = chainparams_for_network("bitcoin");
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assert(input);
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/* BOLT #3:
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* Block 1 coinbase privkey: 6bd078650fcee8444e4e09825227b801a1ca928debb750eb36e6d56124bb20e801
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* # privkey in base58: cRCH7YNcarfvaiY1GWUKQrRGmoezvfAiqHtdRvxe16shzbd7LDMz
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*/
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if (!key_from_base58("cRCH7YNcarfvaiY1GWUKQrRGmoezvfAiqHtdRvxe16shzbd7LDMz", strlen("cRCH7YNcarfvaiY1GWUKQrRGmoezvfAiqHtdRvxe16shzbd7LDMz"),
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&testnet, &input_privkey, &inputkey))
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abort();
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assert(testnet);
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printf("* Block 1 coinbase privkey: %s\n",
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type_to_string(tmpctx, struct privkey, &input_privkey));
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/* BOLT #3:
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*
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* The funding transaction is paid to the following pubkeys:
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*
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* local_funding_pubkey: 023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb
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* remote_funding_pubkey: 030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1
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*/
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if (!pubkey_from_hexstr("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb",
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strlen("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb"),
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&local_funding_pubkey))
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abort();
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if (!pubkey_from_hexstr("030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1",
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strlen("030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1"),
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&remote_funding_pubkey))
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abort();
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bitcoin_txid(input, &utxo.txid);
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utxo.outnum = 0;
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utxo.amount = AMOUNT_SAT(5000000000);
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utxo.is_p2sh = false;
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utxo.close_info = NULL;
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utxo.scriptPubkey = tal_hexdata(tmpctx, "a914a5996075e4b468c9fb01d131bf9d4052a6fee19e87", strlen("a914a5996075e4b468c9fb01d131bf9d4052a6fee19e87"));
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funding_sat = AMOUNT_SAT(10000000);
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fee = AMOUNT_SAT(13920);
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printf("input[0] txid: %s\n",
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tal_hexstr(tmpctx, &utxo.txid, sizeof(utxo.txid)));
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printf("input[0] input: %u\n", utxo.outnum);
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printf("input[0] satoshis: %s\n",
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type_to_string(tmpctx, struct amount_sat, &utxo.amount));
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printf("funding: %s\n",
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type_to_string(tmpctx, struct amount_sat, &funding_sat));
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utxomap = tal_arr(tmpctx, const struct utxo *, 1);
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utxomap[0] = &utxo;
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if (!amount_sat_sub(&change, utxo.amount, funding_sat)
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|| !amount_sat_sub(&change, change, fee))
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abort();
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funding = funding_tx(tmpctx, chainparams,
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&funding_outnum, utxomap,
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funding_sat,
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&local_funding_pubkey,
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&remote_funding_pubkey,
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change,
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&inputkey, NULL);
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printf("# fee: %s\n",
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type_to_string(tmpctx, struct amount_sat, &fee));
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asset = bitcoin_tx_output_get_amount(funding, !funding_outnum);
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assert(amount_asset_is_main(&asset));
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tmpamt = amount_asset_to_sat(&asset);
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printf("change: %s\n",
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type_to_string(tmpctx, struct amount_sat,
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&tmpamt));
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printf("funding output: %u\n", funding_outnum);
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pubkey_to_hash160(&inputkey, &addr.addr);
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subscript = scriptpubkey_p2pkh(funding, &addr);
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sign_tx_input(funding, 0, subscript, NULL, &input_privkey, &inputkey,
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SIGHASH_ALL, &sig);
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script = bitcoin_redeem_p2pkh(funding, &inputkey, &sig);
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bitcoin_tx_input_set_script(funding, 0, script);
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printf("funding tx: %s\n",
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tal_hex(tmpctx, linearize_tx(tmpctx, funding)));
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/* No memory leaks please */
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common_shutdown();
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return 0;
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}
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