Resolve "WIP: UTXO Selection and Storage"

This commit is contained in:
Jim Hamill
2025-01-11 08:39:24 +00:00
parent f934216d68
commit 33fd9bac4d
156 changed files with 13304 additions and 4595 deletions
+194 -66
View File
@@ -7,7 +7,6 @@ import {
generatePrivateKey,
hexToBin,
isHex,
binToUtf8,
utf8ToBin,
bigIntToCompactUint,
secp256k1,
@@ -37,7 +36,7 @@ export class PrivateKey {
// Ensure that the Private Key is valid.
if (!secp256k1.validatePrivateKey(bytes)) {
throw new Error(
`Private Key is invalid: Must be >= 0x01 and <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140.`
`Private Key is invalid: Must be >= 0x01 and <= 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140.`,
);
}
@@ -70,7 +69,7 @@ export class PrivateKey {
// Ensure that the given string is hex.
if (!isHex(privateKeyHex)) {
throw new Error(
`The given string (${privateKeyHex}) is not valid hexadecimal.`
`The given string (${privateKeyHex}) is not valid hexadecimal.`,
);
}
@@ -90,7 +89,7 @@ export class PrivateKey {
*/
public static fromWIF(
wif: string,
removePrefixes = ['bitcoincash:', 'wif:']
removePrefixes = ['bitcoincash:', 'wif:'],
): PrivateKey {
// Remove the prefixes from the WIF (if they exist).
const wifWithoutPrefixes = removePrefixes.reduce((result, prefix) => {
@@ -105,6 +104,22 @@ export class PrivateKey {
throw new Error(decodeResult);
}
// Ensure the Private Key is valid by checking the length (32 bytes = uncompressed private key, 33 bytes = compressed private key).
// NOTE: This is to work around a LibAuth bug where decodePrivateKeyWif does not verify the version of the Base58 string.
// This means that we will get a false positive on Base58/Legacy addresses as being valid WIFs.
// Once the below PR is merged into LibAuth (and we've updated to the new version), we can remove the following code.
// https://github.com/bitauth/libauth/pull/147
const isValidPrivateKey =
decodeResult.privateKey.length === 32 ||
decodeResult.privateKey.length === 33;
// If it is not a valid private key, then it is not a WIF,
if (!isValidPrivateKey) {
throw new Error(
`Expected 32 or 33 bytes WIF, received ${decodeResult.privateKey.length}`,
);
}
// Return a new Private Key entity.
return new PrivateKey(decodeResult.privateKey);
}
@@ -120,6 +135,15 @@ export class PrivateKey {
return new PrivateKey(bytes);
}
public static isWIF(wif: string, removePrefixes = ['bitcoincash:', 'wif:']) {
try {
this.fromWIF(wif, removePrefixes);
return true;
} catch (_error) {
return false;
}
}
/**
* Derive the public key from this private key.
*
@@ -141,101 +165,83 @@ export class PrivateKey {
}
/**
* Sign a message hash with this Private Key using a Recoverable Compact Signature.
* Sign a message using a recoverable compact signature format.
*
* @param messageHash {Uint8Array} The hash of the message.
* @param message The message to sign, either as a Uint8Array or string.
* If a string is provided, it will be converted to UTF-8 bytes.
*
* @throws {Error} If message hash cannot be signed.
* @throws {Error} If message cannot be signed.
*
* @returns {Uint8Array} The generated signature.
* @returns The generated recoverable compact signature.
*/
public signMessageHashRecoverableCompact(
messageHash: Uint8Array
): RecoverableSignature {
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashRecoverableCompact(
this.bytes,
messageHash
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
public signMessageRecoverableCompact(message: Uint8Array | string) {
if (typeof message === 'string') {
message = utf8ToBin(message);
}
// Return the signature.
return signResult;
const messageHash = sha256.hash(message);
return this.signMessageHashRecoverableCompact(messageHash);
}
/**
* Sign a message hash with this Private Key using a Compact Signature.
* Sign a message using a compact signature format.
*
* @param messageHash {Uint8Array} The hash of the message.
* @param message The message to sign, either as a Uint8Array or string.
* If a string is provided, it will be converted to UTF-8 bytes.
*
* @throws {Error} If message hash cannot be signed.
* @throws {Error} If message cannot be signed.
*
* @returns {Uint8Array} The generated signature.
* @returns The generated compact signature.
*/
public signMessageHashCompact(messageHash: Uint8Array): Uint8Array {
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashCompact(
this.bytes,
messageHash
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
public signMessageCompact(message: Uint8Array | string) {
if (typeof message === 'string') {
message = utf8ToBin(message);
}
// Return the signature.
return signResult;
const messageHash = sha256.hash(message);
return this.signMessageHashCompact(messageHash);
}
/**
* Sign a message hash with this Private Key using a Schnorr Signature.
* Sign a message using the Schnorr signature scheme.
*
* @param messageHash {Uint8Array} The hash of the message.
* @param message The message to sign, either as a Uint8Array or string.
* If a string is provided, it will be converted to UTF-8 bytes.
*
* @throws {Error} If message hash cannot be signed.
* @throws {Error} If message cannot be signed.
*
* @returns {Uint8Array} The generated signature.
* @returns The generated Schnorr signature.
*/
public signMessageHashSchnorr(messageHash: Uint8Array): Uint8Array {
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashSchnorr(
this.bytes,
messageHash
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
public signMessageSchnorr(message: Uint8Array | string) {
if (typeof message === 'string') {
message = utf8ToBin(message);
}
// Return the signature.
return signResult;
const messageHash = sha256.hash(message);
return this.signMessageHashSchnorr(messageHash);
}
/**
* Sign a message hash with this Private Key using a DER Signature.
* Sign a message using DER (Distinguished Encoding Rules) format.
*
* @param messageHash {Uint8Array} The hash of the message.
* @param message The message to sign, either as a Uint8Array or string.
* If a string is provided, it will be converted to UTF-8 bytes.
*
* @throws {Error} If message hash cannot be signed.
* @throws {Error} If message cannot be signed.
*
* @returns {Uint8Array} The generated signature.
* @returns The generated DER signature.
*/
public signMessageHashDER(messageHash: Uint8Array): Uint8Array {
const signResult = secp256k1.signMessageHashDER(this.bytes, messageHash);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
public signMessageDER(message: Uint8Array | string) {
if (typeof message === 'string') {
message = utf8ToBin(message);
}
// Return the signature.
return signResult;
const messageHash = sha256.hash(message);
return this.signMessageHashDER(messageHash);
}
/**
@@ -279,6 +285,128 @@ export class PrivateKey {
return electronEncoding;
}
/**
* Sign a message hash with this Private Key using a Recoverable Compact Signature.
*
* @param messageHash {Uint8Array} The hash of the message.
*
* @throws {Error} If message hash cannot be signed.
*
* @returns {Uint8Array} The generated signature.
*/
public signMessageHashRecoverableCompact(
messageHash: Uint8Array | string,
): RecoverableSignature {
// If a string was given, convert it from hex to bytes.
// TODO: Consider using Bytes class - it ensures valid hex.
if (typeof messageHash === 'string') {
messageHash = hexToBin(messageHash);
}
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashRecoverableCompact(
this.bytes,
messageHash,
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
}
// Return the signature.
return signResult;
}
/**
* Sign a message hash with this Private Key using a Compact Signature.
*
* @param messageHash {Uint8Array} The hash of the message.
*
* @throws {Error} If message hash cannot be signed.
*
* @returns {Uint8Array} The generated signature.
*/
public signMessageHashCompact(messageHash: Uint8Array | string): Uint8Array {
// If a string was given, convert it from hex to bytes.
// TODO: Consider using Bytes class - it ensures valid hex.
if (typeof messageHash === 'string') {
messageHash = hexToBin(messageHash);
}
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashCompact(
this.bytes,
messageHash,
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
}
// Return the signature.
return signResult;
}
/**
* Sign a message hash with this Private Key using a Schnorr Signature.
*
* @param messageHash {Uint8Array} The hash of the message.
*
* @throws {Error} If message hash cannot be signed.
*
* @returns {Uint8Array} The generated signature.
*/
public signMessageHashSchnorr(messageHash: Uint8Array | string): Uint8Array {
// If a string was given, convert it from hex to bytes.
// TODO: Consider using Bytes class - it ensures valid hex.
if (typeof messageHash === 'string') {
messageHash = hexToBin(messageHash);
}
// Attempt to sign the message.
const signResult = secp256k1.signMessageHashSchnorr(
this.bytes,
messageHash,
);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
}
// Return the signature.
return signResult;
}
/**
* Sign a message hash with this Private Key using a DER Signature.
*
* @param messageHash {Uint8Array} The hash of the message.
*
* @throws {Error} If message hash cannot be signed.
*
* @returns {Uint8Array} The generated signature.
*/
public signMessageHashDER(messageHash: Uint8Array | string): Uint8Array {
// If a string was given, convert it from hex to bytes.
// TODO: Consider using Bytes class - it ensures valid hex.
if (typeof messageHash === 'string') {
messageHash = hexToBin(messageHash);
}
const signResult = secp256k1.signMessageHashDER(this.bytes, messageHash);
// If a string is returned, this indicates an error...
if (typeof signResult === 'string') {
throw new Error(signResult);
}
// Return the signature.
return signResult;
}
/**
* Convert the raw bytes of this Private Key to hexadecimal encoding.
*