toEvmChainId()

toEvmChainId(chainId): number | undefined

Defined in: utils/caip.ts:85 

Reads the EVM chain number from an eip155 CAIP-2 chain ID, a decimal string or a number: the reverse of toCaip2ChainId for EVM chains.

Parameters

chainId

string | number

An eip155 CAIP-2 chain ID, an EVM chain number or its decimal string.

Returns

number | undefined

The chain number, or undefined when the value names no EVM chain or the number is not a safe integer.

Example

toEvmChainId('eip155:8453'); // 8453
toEvmChainId('8453'); // 8453
toEvmChainId('solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp'); // undefined