How to use the @ethersproject/signing-key.SigningKey.isSigningKey function in @ethersproject/signing-key
To help you get started, we’ve selected a few @ethersproject/signing-key examples, based on popular ways it is used in public projects.
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ethers-io / ethers.js / packages / wallet / lib.esm / index.js View on Github 
const mnemonic = privateKey.mnemonic;
const path = privateKey.path || defaultPath;
defineReadOnly(this, "_mnemonic", () => mnemonic);
defineReadOnly(this, "path", privateKey.path);
const node = HDNode.fromMnemonic(mnemonic).derivePath(path);
if (computeAddress(node.privateKey) !== this.address) {
logger.throwArgumentError("mnemonic/address mismatch", "privateKey", "[REDCACTED]");
}
}
else {
defineReadOnly(this, "_mnemonic", () => null);
defineReadOnly(this, "path", null);
}
}
else {
if (SigningKey.isSigningKey(privateKey)) {
if (privateKey.curve !== "secp256k1") {
logger.throwArgumentError("unsupported curve; must be secp256k1", "privateKey", "[REDACTED]");
}
defineReadOnly(this, "_signingKey", () => privateKey);
}
else {
const signingKey = new SigningKey(privateKey);
defineReadOnly(this, "_signingKey", () => signingKey);
}
defineReadOnly(this, "_mnemonic", () => null);
defineReadOnly(this, "path", null);
defineReadOnly(this, "address", computeAddress(this.publicKey));
}
if (provider && !Provider.isProvider(provider)) {
logger.throwArgumentError("invalid provider", "provider", provider);
}const mnemonic = privateKey.mnemonic;
const path = privateKey.path || defaultPath;
defineReadOnly(this, "_mnemonic", () => mnemonic);
defineReadOnly(this, "path", privateKey.path);
const node = HDNode.fromMnemonic(mnemonic).derivePath(path);
if (computeAddress(node.privateKey) !== this.address) {
logger.throwArgumentError("mnemonic/address mismatch", "privateKey", "[REDCACTED]");
}
} else {
defineReadOnly(this, "_mnemonic", (): string => null);
defineReadOnly(this, "path", null);
}
} else {
if (SigningKey.isSigningKey(privateKey)) {
if (privateKey.curve !== "secp256k1") {
logger.throwArgumentError("unsupported curve; must be secp256k1", "privateKey", "[REDACTED]");
}
defineReadOnly(this, "_signingKey", () => privateKey);
} else {
const signingKey = new SigningKey(privateKey);
defineReadOnly(this, "_signingKey", () => signingKey);
}
defineReadOnly(this, "_mnemonic", (): string => null);
defineReadOnly(this, "path", null);
defineReadOnly(this, "address", computeAddress(this.publicKey));
}
if (provider && !Provider.isProvider(provider)) {
logger.throwArgumentError("invalid provider", "provider", provider);
}@ethersproject/signing-key
Elliptic curve library functions for the secp256k1 curve.
