userop.js seems to not support a chain that does not enable EIP-1559.
I've tested it with a local Geth node with EIP-1559 enabled (London hardfork), and it works fine.
However, when I tested it with EIP-1559 disabled (Berlin hardfork), it did not work.
userop.js
seems to not support a chain that does not enableEIP-1559.
I've tested it with a local Geth node with
EIP-1559
enabled (London hardfork), and it works fine. However, when I tested it withEIP-1559
disabled (Berlin hardfork), it did not work.