Package com.codename1.crypto.evm

package com.codename1.crypto.evm

Ethereum and other EVM chains: EvmAddress with the EIP-55 checksum, EvmTransaction for legacy (EIP-155), access-list (EIP-2930) and dynamic-fee (EIP-1559) transactions, Abi encoding, PersonalSign (EIP-191), TypedData (EIP-712) and Erc20 token calls.

Related Packages

Package	Description
com.codename1.crypto	Crypto-currency support shared by the device and the server: UInt256 amounts, with keys in com.codename1.crypto.hd, chains in com.codename1.crypto.evm, com.codename1.crypto.bitcoin and com.codename1.crypto.solana, and the network clients in com.codename1.crypto.rpc and com.codename1.crypto.market.

Classes

Class	Description
Abi	The Solidity contract ABI: function selectors, call data and return values.
Erc20	Call data for ERC-20 tokens (USDC, USDT, DAI...).
Erc20.Transfer	A decoded Transfer event.
EvmAddress	A 20-byte address on Ethereum or any EVM chain (Polygon, Arbitrum, Base, BNB Chain...).
EvmTransaction	An EVM transaction in any of the three envelopes nodes accept: legacy (with EIP-155 replay protection), EIP-2930 access-list (type 1) and EIP-1559 dynamic-fee (type 2).
EvmTransaction.AccessEntry	One access-list entry: an address and the storage slots the transaction will touch.
PersonalSign	EIP-191 personal_sign messages, the "Sign in with Ethereum" and wallet-ownership proof, and the 65-byte r || s || v signatures EVM wallets exchange.
TypedData	EIP-712 typed structured data: the eth_signTypedData_v4 document permits, orders and meta-transactions are signed as.