all: implement EIP-1559 (#22837)

This is the initial implementation of EIP-1559 in packages core/types and core.
Mining, RPC, etc. will be added in subsequent commits.

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: lightclient@protonmail.com <lightclient@protonmail.com>
Co-authored-by: Felix Lange <fjl@twurst.com>

core/evm.go

@@ -37,13 +37,20 @@ type ChainContext interface {
 
 // NewEVMBlockContext creates a new context for use in the EVM.
 func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common.Address) vm.BlockContext {
+	var (
+		beneficiary common.Address
+		baseFee     *big.Int
+	)
+
 	// If we don't have an explicit author (i.e. not mining), extract from the header
-	var beneficiary common.Address
 	if author == nil {
 		beneficiary, _ = chain.Engine().Author(header) // Ignore error, we're past header validation
 	} else {
 		beneficiary = *author
 	}
+	if header.BaseFee != nil {
+		baseFee = new(big.Int).Set(header.BaseFee)
+	}
 	return vm.BlockContext{
 		CanTransfer: CanTransfer,
 		Transfer:    Transfer,
@@ -52,6 +59,7 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
 		BlockNumber: new(big.Int).Set(header.Number),
 		Time:        new(big.Int).SetUint64(header.Time),
 		Difficulty:  new(big.Int).Set(header.Difficulty),
+		BaseFee:     baseFee,
 		GasLimit:    header.GasLimit,
 	}
 }