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supertestnet authored and GitHub committed 2025-11-12 10:17:44 +00:00
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commit 42fe2b2e44
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+39 -7
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@@ -955,10 +955,33 @@
//if only one element exists on the witness stack, treat it as a sig and check that it is valid for the taproot address when treated as a pubkey
if ( input.witness.length === 1 ) {
var sig = input.witness[ 0 ];
var sighash = tapscript.Signer.taproot.hash( tx, index );
var pubkey = tapscript.Address.decode( addy ).script[ 1 ];
var sig_is_valid = await nobleSecp256k1.schnorr.verify( sig, sighash, pubkey );
if ( !sig_is_valid ) input_with_invalid_sig = index;
var sig_length_is_good = false;
if ( sig.length === 128 || sig.length === 130 || !sig.length ) sig_length_is_good = true;
if ( sig.length === 130 && sig.substring( 128 ) != "01" && sig.substring( 128 ) != "02" && sig.substring( 128 ) != "03" && sig.substring( 128 ) != "81" && sig.substring( 128 ) != "82" && sig.substring( 128 ) != "83" ) sig_length_is_good = false;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) {
input_with_improperly_formatted_sig = index;
return;
}
if ( !sig.length ) {
input_whose_script_failed_a_verify_opcode = index;
return;
} else {
var sigflag = 1; //sighash_all
if ( sig.length === 130 && sig.substring( 128 ) === "02" ) sigflag = 2; //sighash_none
if ( sig.length === 130 && sig.substring( 128 ) === "03" ) sigflag = 3; //sighash_single
if ( sig.length === 130 && sig.substring( 128 ) === "81" ) sigflag = 128 | 1; //sighash_all | anyone_can_pay
if ( sig.length === 130 && sig.substring( 128 ) === "82" ) sigflag = 128 | 2; //sighash_none | anyone_can_pay
if ( sig.length === 130 && sig.substring( 128 ) === "83" ) sigflag = 128 | 3; //sighash_single | anyone_can_pay
if ( sig.length === 130 ) sig = sig.substring( 0, 128 );
if ( sigflag != 1 ) var sighash = tapscript.Signer.taproot.hash( tx, index, { sigflag }).hex;
else var sighash = tapscript.Signer.taproot.hash( tx, index );
var pubkey = tapscript.Address.decode( addy ).script[ 1 ];
var sig_is_valid = await nobleSecp256k1.schnorr.verify( sig, sighash, pubkey );
if ( !sig_is_valid ) {
input_with_invalid_sig = index;
return;
}
}
} else {
//if there are multiple elements on the witness stack, treat the second-to-last element as the script and execute it with the elements prior to that as params
var script = input.witness[ input.witness.length - 2 ];
@@ -1018,7 +1041,10 @@
var sig_length_is_good = false;
if ( sig.length === 128 || sig.length === 130 || !sig.length ) sig_length_is_good = true;
if ( sig.length === 130 && sig.substring( 128 ) != "01" && sig.substring( 128 ) != "02" && sig.substring( 128 ) != "03" && sig.substring( 128 ) != "81" && sig.substring( 128 ) != "82" && sig.substring( 128 ) != "83" ) sig_length_is_good = false;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) input_with_improperly_formatted_sig = index;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) {
input_with_improperly_formatted_sig = index;
return;
}
if ( !sig.length ) {
params.push( 0 );
} else {
@@ -1061,7 +1087,10 @@
var sig_length_is_good = false;
if ( sig.length === 128 || sig.length === 130 || !sig.length ) sig_length_is_good = true;
if ( sig.length === 130 && sig.substring( 128 ) != "01" && sig.substring( 128 ) != "02" && sig.substring( 128 ) != "03" && sig.substring( 128 ) != "81" && sig.substring( 128 ) != "82" && sig.substring( 128 ) != "83" ) sig_length_is_good = false;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) input_with_improperly_formatted_sig = index;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) {
input_with_improperly_formatted_sig = index;
return;
}
if ( !sig.length ) {
input_whose_script_failed_a_verify_opcode = index;
return;
@@ -1114,7 +1143,10 @@
var sig_length_is_good = false;
if ( sig.length === 128 || sig.length === 130 || !sig.length ) sig_length_is_good = true;
if ( sig.length === 130 && sig.substring( 128 ) != "01" && sig.substring( 128 ) != "02" && sig.substring( 128 ) != "03" && sig.substring( 128 ) != "81" && sig.substring( 128 ) != "82" && sig.substring( 128 ) != "83" ) sig_length_is_good = false;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) input_with_improperly_formatted_sig = index;
if ( !sig_length_is_good || ( sig.length && !testnet_generator.isValidHex( sig ) ) ) {
input_with_improperly_formatted_sig = index;
return;
}
// console.log( "num_to_add_to:", num_to_add_to, "pubkey:", pubkey, "sig:", sig );
if ( !sig.length ) {
params.push( num_to_add_to );