Fix/polygon mainnet

contracts/impls/core/customs/WitnetRequestBoardTrustableBase.sol

@@ -64,6 +64,9 @@ abstract contract WitnetRequestBoardTrustableBase
         } else if (msg.sig == 0xD74803BE) {
             // IWitnetRequestParser.asErrorMessage({bool,CBOR}) --> IWitnetRequestBoardDeprecating.asErrorMessage({bool,WitnetCBOR.CBOR})
             _newSig = IWitnetRequestBoardDeprecating.asErrorMessage.selector;
+        } else if (msg.sig == 0x109A0E3C) {
+            // IWitnetRequestParser.asString({bool,CBOR}) --> IWitnetRequestBoardDeprectating.asString({bool,WitnetCBOR.CBOR})
+            _newSig = IWitnetRequestBoardDeprecating.asString.selector;
         }
         if (_newSig != msg.sig) {
             address _self = address(this);
@@ -782,6 +785,17 @@ abstract contract WitnetRequestBoardTrustableBase
             _resultError.reason
         );
     }
+
+    /// Decode a string value from a Witnet.Result as a `string` value.
+    /// @param _result An instance of Witnet.Result.
+    /// @return The decoded `string` from the Witnet.Result.
+    function asString(Witnet.Result memory _result)
+        external pure 
+        override
+        returns (string memory)
+    {
+        return _result.asText();
+    }
 
     /// Decode a natural numeric value from a Witnet.Result as a `uint` value.
     /// @param _result An instance of Witnet.Result.

contracts/interfaces/IWitnetRequestBoardDeprecating.sol

@@ -28,6 +28,11 @@ interface IWitnetRequestBoardDeprecating {
     /// @return A tuple containing the `CBORValue.Error memory` decoded from the `Witnet.Result`, plus a loggable error message.
     function asErrorMessage(Witnet.Result memory _result) external pure returns (Witnet.ResultErrorCodes, string memory);
 
+    /// Decode a string value from a Witnet.Result as a `string` value.
+    /// @param _result An instance of Witnet.Result.
+    /// @return The decoded `string` decoded from the given Witnet.Result.
+    function asString(Witnet.Result memory _result) external pure returns (string memory);
+
     /// Decode a natural numeric value from a Witnet.Result as a `uint` value.
     /// @param _result An instance of Witnet.Result.
     /// @return The `uint` decoded from the Witnet.Result.

migrations/witnet.addresses.json

@@ -790,8 +790,8 @@
             "WitnetPriceFeedsImplementation": "0x2159610a10B4922616e9ACa66D2922AA50ea548B",
             "WitnetRandomnessImplementation": "0xF1Aba51c5097487a62DA9c72fb9Aa7B0c98676C1",
             "WitnetRandomnessImplementationv061": "0xc8c0d4dB2D7801D6E2A863934597cFD31689f7D5",
-            "WitnetRequestBoardImplementation": "0xb62C9FAd26D35D160ADC486863Ba9AFeEAab11f9",
-            "WitnetRequestBoardTrustableDefault": "0xF395CEeb77cE9cDc44Fd276bE5Ff307B1902D3f7",
+            "WitnetRequestBoardImplementation": "0xFCEA14D05e2aB69125d024A4B2fC5B15DF54E4b2",
+            "WitnetRequestBoardTrustableDefault": "0x11C156079B1F6585333c5aDA8856e5C56953ff3d",
             "WitnetRequestFactoryImplementation": "0xc42656C501623859565C6d080a7Feb1f2B72b55a"
         },
         "polygon.zkevm.goerli": {

migrations/witnet.settings.js

@@ -705,7 +705,6 @@ module.exports = {
         network_id: 137,
         skipDryRun: true,
         verify: {
-          apiKey: process.env.ETHERSCAN_POLYGON_API_KEY,
           apiUrl: "https://api.polygonscan.com/api",
           explorerUrl: "https://polygonscan.com/",
         },

package.json

@@ -1,6 +1,6 @@
 {
   "name": "witnet-solidity-bridge",
-  "version": "0.7.18",
+  "version": "0.7.19",
   "description": "Witnet Solidity Bridge contracts for EVM-compatible chains",
   "main": "",
   "scripts": {

truffle-config.js

@@ -46,7 +46,7 @@ module.exports = {
     etherscan: process.env.ETHERSCAN_API_KEY,
     moonscan: process.env.MOONSCAN_API_KEY,
     optimistic_etherscan: process.env.ETHERSCAN_OPTIMISM_API_KEY,
-    polygonscan: process.env.POLYGONSCAN_API_KEY,
+    polygonscan: process.env.ETHERSCAN_POLYGON_API_KEY,
     routescan: process.env.ROUTESCAN_API_KEY,
     scrollscan: process.env.SCROLLSCAN_API_KEY,
   },