How to sign a bitcoin regtest transaction?

[vccomnet]

Hi, following is my code to new regtest transation, but I try sendrawtransaction the signed tx with bitcoin-cli, bitcoin-cli retrun a errror:
error code: -3
error message:
Amount is not a number or string

my code:

in coininfodata.cpp, I modified the bitcoin's p2pkhPrefix = 0 to 0x6f, like:
const CoinInfo getCoinInfo(TWCoinType coin) {
// switch is preferred instead of a data structure, due to initialization issues
switch (coin) {
case TWCoinTypeBitcoin:
return CoinInfo {
"bitcoin",
"Bitcoin",
TWBlockchainBitcoin,
TWPurposeBIP84,
TWCurveSECP256k1,
TWHDVersionZPUB,
TWHDVersionZPRV,
"m/84'/0'/0'/0/0",
TWPublicKeyTypeSECP256k1,
0,
0x6f,
5,
TWHRPBitcoin,
Hash::sha256ripemd,
Hash::sha256d,
"BTC",
8,
"https://blockchair.com/bitcoin/transaction/",
"https://blockchair.com/bitcoin/address/",
0,
};

in TWHRP.h, Modified HRP_BITCOIN = "bc"; to HRP_BITCOIN = "bcrt";
static const char *_Nonnull HRP_BITCOIN = "bcrt";

int main(void)
{
auto hash0 = TW::parse_hex("65624703015c46ee5cf3cae9c79e4f4f1f96c149ef3a9f3383c72e4dd6e645e6");
std::reverse(hash0.begin(), hash0.end());

// Setup input
TW::Bitcoin::Proto::SigningInput input;
input.set_hash_type(TW::Bitcoin::hashTypeForCoin(TWCoinTypeBitcoin));
input.set_amount(335790000);
input.set_byte_fee(1);
input.set_to_address("bcrt1qq6xj4dlysqsehaxv3hmvz5t8qkpv08ctjlhkvp");	/*560ed99d568cf965a2cb83de52e9b93230447ac01c4e1ede6b076c3f96b6e5df*/
input.set_change_address("bcrt1qqt7v0wnjcc8ud5tpgpd80hpmf6xj302s98vgm4");	/*3c3c2813a1987eef0f35dd3fe20b115aa3eea4e276dd46265dd570f4cfb52cc5*/

auto utxoKey0 = TW::PrivateKey(TW::parse_hex("f4a4202b8607c518751e7806e7db06f0bf468f8eed57f50b17d702e31245a406"));/*bcrt1ql90yvpqpdxwrxgt0y7nxgg7aun8w8ceu2nkvv6*/
auto pubKey0 = utxoKey0.getPublicKey(TWPublicKeyTypeSECP256k1);
auto utxoPubkeyHash0 = TW::Hash::ripemd(TW::Hash::sha256(pubKey0.bytes));
input.add_private_key(utxoKey0.bytes.data(), utxoKey0.bytes.size());

auto utxo0Script = TW::Bitcoin::Script::buildPayToPublicKeyHash(utxoPubkeyHash0);
TW::Data scriptHash;
utxo0Script.matchPayToPublicKeyHash(scriptHash);

auto utxo0 = input.add_utxo();
utxo0->set_script(utxo0Script.bytes.data(), utxo0Script.bytes.size());
utxo0->set_amount(1001000000);
utxo0->mutable_out_point()->set_hash(hash0.data(), hash0.size());
utxo0->mutable_out_point()->set_index(1);
utxo0->mutable_out_point()->set_sequence(UINT32_MAX);

    auto signer = TW::Bitcoin::TransactionSigner<TW::Bitcoin::Transaction, TW::Bitcoin::TransactionBuilder>(std::move(input));
    auto result = signer.sign();

    auto signedTx = result.payload();
TW::Data serialized;
    signer.encodeTx(signedTx, serialized);

printf("%s\n", TW::hex(serialized).c_str());

    return 0;

}

---

run it ,print out the signed tx:

0100000001e645e6d64d2ec783339f3aef49c1961f4f4f9ec7e9caf35cee465c0103476265010000006a4730440220629f91945a5658cea6bf266cbb5724fed349e9ae027a3262d26dbcbb512cf6b702203fd0af77a3307e8f0e100de32586d94095dedb214d79f4c8510ff4aa3485deab012102aa2c3f3f8a7834d98ebc3e6febcd1cf7bae49ceabaf584628a6014f1777f8d55ffffffff02b0bf031400000000160014068d2ab7e480219bf4cc8df6c151670582c79f0be24ba6270000000016001402fcc7ba72c60fc6d161405a77dc3b4e8d28bd5000000000

then, decode rawtransaction,

[root@localhost BTC]# ./bitcoin-cli -regtest -rpcuser=zhangwenge -rpcport=8332 -rpcpassword=123456 decoderawtransaction 0100000001e645e6d64d2ec783339f3aef49c1961f4f4f9ec7e9caf35cee465c0103476265010000006a4730440220629f91945a5658cea6bf266cbb5724fed349e9ae027a3262d26dbcbb512cf6b702203fd0af77a3307e8f0e100de32586d94095dedb214d79f4c8510ff4aa3485deab012102aa2c3f3f8a7834d98ebc3e6febcd1cf7bae49ceabaf584628a6014f1777f8d55ffffffff02b0bf031400000000160014068d2ab7e480219bf4cc8df6c151670582c79f0be24ba6270000000016001402fcc7ba72c60fc6d161405a77dc3b4e8d28bd5000000000
{
"txid": "7ff433c837207b2b499c77ab59a60ff79aaa630ea98ef2130a6ff462bc248f5c",
"hash": "7ff433c837207b2b499c77ab59a60ff79aaa630ea98ef2130a6ff462bc248f5c",
"version": 1,
"size": 219,
"vsize": 219,
"weight": 876,
"locktime": 0,
"vin": [
{
"txid": "65624703015c46ee5cf3cae9c79e4f4f1f96c149ef3a9f3383c72e4dd6e645e6",
"vout": 1,
"scriptSig": {
"asm": "30440220629f91945a5658cea6bf266cbb5724fed349e9ae027a3262d26dbcbb512cf6b702203fd0af77a3307e8f0e100de32586d94095dedb214d79f4c8510ff4aa3485deab[ALL] 02aa2c3f3f8a7834d98ebc3e6febcd1cf7bae49ceabaf584628a6014f1777f8d55",
"hex": "4730440220629f91945a5658cea6bf266cbb5724fed349e9ae027a3262d26dbcbb512cf6b702203fd0af77a3307e8f0e100de32586d94095dedb214d79f4c8510ff4aa3485deab012102aa2c3f3f8a7834d98ebc3e6febcd1cf7bae49ceabaf584628a6014f1777f8d55"
},
"sequence": 4294967295
}
],
"vout": [
{
"value": 3.35790000,
"n": 0,
"scriptPubKey": {
"asm": "0 068d2ab7e480219bf4cc8df6c151670582c79f0b",
"hex": "0014068d2ab7e480219bf4cc8df6c151670582c79f0b",
"reqSigs": 1,
"type": "witness_v0_keyhash",
"addresses": [
"bcrt1qq6xj4dlysqsehaxv3hmvz5t8qkpv08ctjlhkvp"
]
}
},
{
"value": 6.65209826,
"n": 1,
"scriptPubKey": {
"asm": "0 02fcc7ba72c60fc6d161405a77dc3b4e8d28bd50",
"hex": "001402fcc7ba72c60fc6d161405a77dc3b4e8d28bd50",
"reqSigs": 1,
"type": "witness_v0_keyhash",
"addresses": [
"bcrt1qqt7v0wnjcc8ud5tpgpd80hpmf6xj302s98vgm4"
]
}
}
]
}

---

lastest, sendrawtransaction

[root@localhost BTC]# ./bitcoin-cli -regtest -rpcuser=zhangwenge -rpcport=8332 -rpcpassword=123456 sendrawtransaction 0100000001e645e6d64d2ec783339f3aef49c1961f4f4f9ec7e9caf35cee465c0103476265010000006a4730440220629f91945a5658cea6bf266cbb5724fed349e9ae027a3262d26dbcbb512cf6b702203fd0af77a3307e8f0e100de32586d94095dedb214d79f4c8510ff4aa3485deab012102aa2c3f3f8a7834d98ebc3e6febcd1cf7bae49ceabaf584628a6014f1777f8d55ffffffff02b0bf031400000000160014068d2ab7e480219bf4cc8df6c151670582c79f0be24ba6270000000016001402fcc7ba72c60fc6d161405a77dc3b4e8d28bd5000000000 false
error code: -3
error message:
Amount is not a number or string
[root@localhost BTC]#
[root@localhost BTC]#

---------------------->

[optout21]

Sorry, no idea about that error.
You chose a tricky way to use different PKH prefix and HRP... I you modify coins.json, you have to run tools/generate-files, and recompile; are you aware of that?

[Officaljason]

Hello

[Officaljason]

You can dm me with put you through to resolve the issues you facing