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25 lines
995 B
25 lines
995 B
import { getAddress } from "../address/index.js"; |
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import { keccak256 } from "../crypto/index.js"; |
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import { recoverAddress } from "../transaction/index.js"; |
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import { assertArgument, concat, encodeRlp, toBeArray } from "../utils/index.js"; |
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/** |
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* Computes the [[link-eip-7702]] authorization digest to sign. |
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*/ |
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export function hashAuthorization(auth) { |
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assertArgument(typeof (auth.address) === "string", "invalid address for hashAuthorization", "auth.address", auth); |
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return keccak256(concat([ |
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"0x05", encodeRlp([ |
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(auth.chainId != null) ? toBeArray(auth.chainId) : "0x", |
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getAddress(auth.address), |
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(auth.nonce != null) ? toBeArray(auth.nonce) : "0x", |
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]) |
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])); |
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} |
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/** |
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* Return the address of the private key that produced |
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* the signature %%sig%% during signing for %%message%%. |
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*/ |
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export function verifyAuthorization(auth, sig) { |
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return recoverAddress(hashAuthorization(auth), sig); |
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} |
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//# sourceMappingURL=authorization.js.map
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