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Add generate keypair (WIP, my last day today) #64

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Add generate keypair (WIP, my last day today) #64

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34 changes: 33 additions & 1 deletion src/lib/keypair.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,38 @@ export const keypairToSecretKeyJSON = (keypair: Keypair): string => {
return JSON.stringify(Array.from(keypair.secretKey));
};

export const grindKeypairWithPrefix = async (
prefix: string,
): Promise<Keypair> => {
// Check if the prefix contains characters outside the base58 alphabet
if (
prefix.match(
/[^123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]/,
)
) {
throw new Error(
"Prefix contains invalid characters. Solana public keys may only include base58 characters, ie 123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
);
}
if (prefix.length > 3) {
console.warn("Prefix longer than 3 characters may take a long time.");
}
let keypair: Keypair;

while (true) {
keypair = Keypair.generate();
const publicKey = keypair.publicKey.toBase58();

if (publicKey.startsWith(prefix)) {
break;
}
}

return keypair;
};

// const keypair = await grindKeypairWithPrefix(desiredPrefix);

export const getKeypairFromFile = async (filepath?: string) => {
// Node-specific imports
// @ts-expect-error TODO: fix the warning rather than disabling it when we have time
Expand Down Expand Up @@ -105,4 +137,4 @@ export const addKeypairToEnvFile = async (
// Shout out to Dean from WBA for this technique
export const makeKeypairs = (amount: number): Array<Keypair> => {
return Array.from({ length: amount }, () => Keypair.generate());
};
};
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