Fixed EIP-1559 from address calculation bug (#1610).

Author: ricmoo

packages/abstract-provider/src.ts/index.ts

@@ -71,7 +71,7 @@ interface _Block {
     miner: string;
     extraData: string;
 
-    baseFee?: null | BigNumber;
+    baseFeePerGas?: null | BigNumber;
 }
 
 export interface Block extends _Block {
@@ -238,12 +238,12 @@ export abstract class Provider implements OnceBlockable {
 
         let maxFeePerGas = null, maxPriorityFeePerGas = null;
 
-        if (block && block.baseFee) {
+        if (block && block.baseFeePerGas) {
             // We may want to compute this more accurately in the future,
             // using the formula "check if the base fee is correct".
             // See: https://eips.ethereum.org/EIPS/eip-1559
             maxPriorityFeePerGas = BigNumber.from("1000000000");
-            maxFeePerGas = block.baseFee.mul(2).add(maxPriorityFeePerGas);
+            maxFeePerGas = block.baseFeePerGas.mul(2).add(maxPriorityFeePerGas);
         }
 
         return { maxFeePerGas, maxPriorityFeePerGas, gasPrice };

packages/providers/src.ts/formatter.ts

@@ -145,7 +145,7 @@ export class Formatter {
 
             transactions: Formatter.allowNull(Formatter.arrayOf(hash)),
 
-            baseFee: Formatter.allowNull(bigNumber)
+            baseFeePerGas: Formatter.allowNull(bigNumber)
         };
 
         formats.blockWithTransactions = shallowCopy(formats.block);

packages/transactions/src.ts/index.ts

@@ -362,7 +362,7 @@ function _parseEip1559(payload: Uint8Array): Transaction {
         nonce:                 handleNumber(transaction[1]).toNumber(),
         maxPriorityFeePerGas:  maxPriorityFeePerGas,
         maxFeePerGas:          maxFeePerGas,
-        gasPrice:              maxPriorityFeePerGas.add(maxFeePerGas),
+        gasPrice:              maxFeePerGas,
         gasLimit:              handleNumber(transaction[4]),
         to:                    handleAddress(transaction[5]),
         value:                 handleNumber(transaction[6]),
@@ -375,7 +375,7 @@ function _parseEip1559(payload: Uint8Array): Transaction {
 
     tx.hash = keccak256(payload);
 
-    _parseEipSignature(tx, transaction.slice(9), _serializeEip2930);
+    _parseEipSignature(tx, transaction.slice(9), _serializeEip1559);
 
     return tx;
 }