feat: initial support for signing scheme

Author: FedericoAmura

local-tests/build.mjs

@@ -36,6 +36,7 @@ const createBuildConfig = (entry, outfile, globalName) => ({
   inject: [getPath('./shim.mjs')],
   mainFields: ['module', 'main'],
   ...(globalName ? { globalName } : {}),
+  sourcemap: true,
 });
 
 /**

local-tests/setup/shiva-client.d.ts

@@ -10,6 +10,7 @@ type ContractAbis = {
   pubkeyRouter: string;
   pkpPermissions: string;
   pkpHelper: string;
+  priceFeed: string;
   contractResolver: string;
   paymentDelegation: string;
 };