Add signer constructors (#5757)

Co-authored-by: ernestognw <ernestognw@gmail.com>

contracts/utils/cryptography/signers/MultiSignerERC7913.sol

@@ -69,6 +69,11 @@ abstract contract MultiSignerERC7913 is AbstractSigner {
     /// @dev The `threshold` is unreachable given the number of `signers`.
     error MultiSignerERC7913UnreachableThreshold(uint64 signers, uint64 threshold);
 
+    constructor(bytes[] memory signers_, uint64 threshold_) {
+        _addSigners(signers_);
+        _setThreshold(threshold_);
+    }
+
     /**
      * @dev Returns a slice of the set of authorized signers.
      *

contracts/utils/cryptography/signers/MultiSignerERC7913Weighted.sol

@@ -67,6 +67,11 @@ abstract contract MultiSignerERC7913Weighted is MultiSignerERC7913 {
     /// @dev Thrown when the arrays lengths don't match. See {_setSignerWeights}.
     error MultiSignerERC7913WeightedMismatchedLength();
 
+    constructor(bytes[] memory signers_, uint64[] memory weights_, uint64 threshold_) MultiSignerERC7913(signers_, 1) {
+        _setSignerWeights(signers_, weights_);
+        _setThreshold(threshold_);
+    }
+
     /// @dev Gets the weight of a signer. Returns 0 if the signer is not authorized.
     function signerWeight(bytes memory signer) public view virtual returns (uint64) {
         unchecked {

contracts/utils/cryptography/signers/SignerECDSA.sol

@@ -27,6 +27,10 @@ import {ECDSA} from "../ECDSA.sol";
 abstract contract SignerECDSA is AbstractSigner {
     address private _signer;
 
+    constructor(address signerAddr) {
+        _setSigner(signerAddr);
+    }
+
     /**
      * @dev Sets the signer with the address of the native signer. This function should be called during construction
      * or through an initializer.

contracts/utils/cryptography/signers/SignerERC7913.sol

@@ -31,6 +31,10 @@ import {SignatureChecker} from "../SignatureChecker.sol";
 abstract contract SignerERC7913 is AbstractSigner {
     bytes private _signer;
 
+    constructor(bytes memory signer_) {
+        _setSigner(signer_);
+    }
+
     /// @dev Return the ERC-7913 signer (i.e. `verifier || key`).
     function signer() public view virtual returns (bytes memory) {
         return _signer;

contracts/utils/cryptography/signers/SignerP256.sol

@@ -30,6 +30,10 @@ abstract contract SignerP256 is AbstractSigner {
 
     error SignerP256InvalidPublicKey(bytes32 qx, bytes32 qy);
 
+    constructor(bytes32 qx, bytes32 qy) {
+        _setSigner(qx, qy);
+    }
+
     /**
      * @dev Sets the signer with a P256 public key. This function should be called during construction
      * or through an initializer.

contracts/utils/cryptography/signers/SignerRSA.sol

@@ -28,6 +28,10 @@ abstract contract SignerRSA is AbstractSigner {
     bytes private _e;
     bytes private _n;
 
+    constructor(bytes memory e, bytes memory n) {
+        _setSigner(e, n);
+    }
+
     /**
      * @dev Sets the signer with a RSA public key. This function should be called during construction
      * or through an initializer.