func LatestSigner(config *params.ChainConfig) Signer {
	var signer Signer
	if config.ChainID != nil {
		switch {
		case config.PragueTime != nil:
			signer = NewPragueSigner(config.ChainID)
		case config.CancunTime != nil:
			signer = NewCancunSigner(config.ChainID)
		case config.LondonBlock != nil:
			signer = NewLondonSigner(config.ChainID)
		case config.BerlinBlock != nil:
			signer = NewEIP2930Signer(config.ChainID)
		case config.EIP155Block != nil:
			signer = NewEIP155Signer(config.ChainID)
		default:
			signer = HomesteadSigner{}
		}
	} else {
		signer = HomesteadSigner{}
	}
	return signer
}