Soroban value overhaul (#582)

* Update xdr for value overhaul

* Fixing address & contract for new xdr

* 8.2.2-soroban.12

package.json

@@ -1,6 +1,6 @@
 {
   "name": "stellar-base",
-  "version": "8.2.2-soroban.11",
+  "version": "8.2.2-soroban.12",
   "description": "Low level stellar support library",
   "main": "./lib/index.js",
   "types": "./types/index.d.ts",

src/address.js

@@ -57,6 +57,33 @@ export class Address {
     return new Address(StrKey.encodeContract(buffer));
   }
 
+  /**
+   * Convert this from an xdr.ScVal type
+   *
+   * @param {xdr.ScVal} scVal - The xdr.ScVal type to parse
+   * @returns {Address}
+   */
+  static fromScVal(scVal) {
+    return Address.fromScAddress(scVal.address());
+  }
+
+  /**
+   * Convert this from an xdr.ScAddress type
+   *
+   * @param {xdr.ScAddress} scAddress - The xdr.ScAddress type to parse
+   * @returns {Address}
+   */
+  static fromScAddress(scAddress) {
+    switch (scAddress.switch()) {
+      case xdr.ScAddressType.scAddressTypeAccount():
+        return Address.account(scAddress.accountId().ed25519());
+      case xdr.ScAddressType.scAddressTypeContract():
+        return Address.contract(scAddress.contractId());
+      default:
+        throw new Error('Unsupported address type');
+    }
+  }
+
   /**
    * Serialize an address to string.
    *
@@ -79,7 +106,7 @@ export class Address {
    * @returns {xdr.ScVal}
    */
   toScVal() {
-    return xdr.ScVal.scvObject(xdr.ScObject.scoAddress(this.toScAddress()));
+    return xdr.ScVal.scvAddress(this.toScAddress());
   }
 
   /**

src/contract.js

@@ -39,7 +39,7 @@ export class Contract {
     const contractId = Buffer.from(this._id, 'hex');
     return Operation.invokeHostFunction({
       function: xdr.HostFunction.hostFunctionTypeInvokeContract([
-        xdr.ScVal.scvObject(xdr.ScObject.scoBytes(contractId)),
+        xdr.ScVal.scvBytes(contractId),
         xdr.ScVal.scvSymbol(method),
         ...params
       ]),
@@ -49,7 +49,7 @@ export class Contract {
           xdr.LedgerKey.contractData(
             new xdr.LedgerKeyContractData({
               contractId,
-              key: xdr.ScVal.scvStatic(xdr.ScStatic.scsLedgerKeyContractCode())
+              key: xdr.ScVal.scvLedgerKeyContractExecutable()
             })
           )
         ],