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system/node_modules/ethers/lib.esm/hash/authorization.js

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