params: make eip1559 params non-global (#25994)

This PR changes geth to read the eip1559 params from the chain config instead of the globals.

This way the parameters may be changed by forking the chain config code, without creating a large diff throughout the past and future usages of the parameters.

Co-authored-by: Martin Holst Swende <martin@swende.se>

core/chain_makers.go

@@ -174,7 +174,7 @@ func (b *BlockGen) AddUncle(h *types.Header) {
 	if b.config.IsLondon(h.Number) {
 		h.BaseFee = misc.CalcBaseFee(b.config, parent)
 		if !b.config.IsLondon(parent.Number) {
-			parentGasLimit := parent.GasLimit * params.ElasticityMultiplier
+			parentGasLimit := parent.GasLimit * b.config.ElasticityMultiplier()
 			h.GasLimit = CalcGasLimit(parentGasLimit, parentGasLimit)
 		}
 	}
@@ -322,7 +322,7 @@ func makeHeader(chain consensus.ChainReader, parent *types.Block, state *state.S
 	if chain.Config().IsLondon(header.Number) {
 		header.BaseFee = misc.CalcBaseFee(chain.Config(), parent.Header())
 		if !chain.Config().IsLondon(parent.Number()) {
-			parentGasLimit := parent.GasLimit() * params.ElasticityMultiplier
+			parentGasLimit := parent.GasLimit() * chain.Config().ElasticityMultiplier()
 			header.GasLimit = CalcGasLimit(parentGasLimit, parentGasLimit)
 		}
 	}