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cmd/devp2p, core/forkid: make forkid.Filter API uniform

This commit is contained in:
Péter Szilágyi 2019-10-31 10:38:14 +02:00
parent 93422e9d15
commit 8927f7724a
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2 changed files with 3 additions and 3 deletions
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2
cmd/devp2p/nodesetcmd.go
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@ -155,7 +155,7 @@ func minAgeFilter(args []string) (nodeFilter, error) {
}
func ethFilter(args []string) (nodeFilter, error) {
var filter func(forkid.ID) error
var filter forkid.Filter
switch args[0] {
case "mainnet":
filter = forkid.NewStaticFilter(params.MainnetChainConfig, params.MainnetGenesisHash)

4
core/forkid/forkid.go
View File

@ -96,7 +96,7 @@ func NewFilter(chain *core.BlockChain) Filter {
}
// NewStaticFilter creates a filter at block zero.
func NewStaticFilter(config *params.ChainConfig, genesis common.Hash) func(id ID) error {
func NewStaticFilter(config *params.ChainConfig, genesis common.Hash) Filter {
head := func() uint64 { return 0 }
return newFilter(config, genesis, head)
}
@ -104,7 +104,7 @@ func NewStaticFilter(config *params.ChainConfig, genesis common.Hash) func(id ID
// newFilter is the internal version of NewFilter, taking closures as its arguments
// instead of a chain. The reason is to allow testing it without having to simulate
// an entire blockchain.
func newFilter(config *params.ChainConfig, genesis common.Hash, headfn func() uint64) func(id ID) error {
func newFilter(config *params.ChainConfig, genesis common.Hash, headfn func() uint64) Filter {
// Calculate the all the valid fork hash and fork next combos
var (
forks = gatherForks(config)