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cmd/devp2p: add eth protocol test suite (#21598)

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This change adds a test framework for the "eth" protocol and some basic
tests. The tests can be run using the './devp2p rlpx eth-test' command.
This commit is contained in:
rene
2020-09-23 15:18:17 +02:00
committed by GitHub
parent c1544423d6
commit a25899f3dc
11 changed files with 628 additions and 37 deletions
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15
core/forkid/forkid.go
View File

@ -65,19 +65,8 @@ type ID struct {
// Filter is a fork id filter to validate a remotely advertised ID.
type Filter func(id ID) error
// NewID calculates the Ethereum fork ID from the chain config and head.
func NewID(chain Blockchain) ID {
return newID(
chain.Config(),
chain.Genesis().Hash(),
chain.CurrentHeader().Number.Uint64(),
)
}
// newID is the internal version of NewID, which takes extracted values as its
// arguments instead of a chain. The reason is to allow testing the IDs without
// having to simulate an entire blockchain.
func newID(config *params.ChainConfig, genesis common.Hash, head uint64) ID {
// NewID calculates the Ethereum fork ID from the chain config, genesis hash, and head.
func NewID(config *params.ChainConfig, genesis common.Hash, head uint64) ID {
// Calculate the starting checksum from the genesis hash
hash := crc32.ChecksumIEEE(genesis[:])

2
core/forkid/forkid_test.go
View File

@ -118,7 +118,7 @@ func TestCreation(t *testing.T) {
}
for i, tt := range tests {
for j, ttt := range tt.cases {
if have := newID(tt.config, tt.genesis, ttt.head); have != ttt.want {
if have := NewID(tt.config, tt.genesis, ttt.head); have != ttt.want {
t.Errorf("test %d, case %d: fork ID mismatch: have %x, want %x", i, j, have, ttt.want)
}
}