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config.go
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config.go
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package relay
import (
"fmt"
"github.com/datachainlab/ethereum-ibc-relay-chain/pkg/relay/ethereum"
lctypes "github.com/datachainlab/ethereum-ibc-relay-prover/light-clients/ethereum/types"
"github.com/hyperledger-labs/yui-relayer/core"
)
const (
Mainnet = "mainnet"
Minimal = "minimal"
Goerli = "goerli"
Sepolia = "sepolia"
)
var _ core.ProverConfig = (*ProverConfig)(nil)
func (prc ProverConfig) Build(chain core.Chain) (core.Prover, error) {
ec, ok := chain.(*ethereum.Chain)
if !ok {
return nil, fmt.Errorf("unexpected chain: %T", chain)
}
return NewProver(ec, prc), nil
}
// NOTE the prover supports only the mainnet and minimal preset for now
func (prc *ProverConfig) IsMainnetPreset() bool {
switch prc.Network {
case Mainnet, Goerli, Sepolia:
return true
case Minimal:
return false
default:
panic(fmt.Sprintf("unknown network: %v", prc.Network))
}
}
func (prc *ProverConfig) getSecondsPerSlot() uint64 {
if prc.IsMainnetPreset() {
return 12
} else {
return 6
}
}
func (prc *ProverConfig) getSlotsPerEpoch() uint64 {
if prc.IsMainnetPreset() {
return 32
} else {
return 8
}
}
func (prc *ProverConfig) getEpochsPerSyncCommitteePeriod() uint64 {
if prc.IsMainnetPreset() {
return 256
} else {
return 8
}
}
func (prc *ProverConfig) getForkParameters() *lctypes.ForkParameters {
switch prc.Network {
case Mainnet:
return &lctypes.ForkParameters{
GenesisForkVersion: []byte{0, 0, 0, 0},
Forks: []*lctypes.Fork{
{
Version: []byte{3, 0, 0, 0},
Epoch: 194048,
},
{
Version: []byte{2, 0, 0, 0},
Epoch: 144896,
},
{
Version: []byte{1, 0, 0, 0},
Epoch: 74240,
},
},
}
case Minimal:
return &lctypes.ForkParameters{
GenesisForkVersion: []byte{0, 0, 0, 1},
Forks: []*lctypes.Fork{
{
Version: []byte{3, 0, 0, 1},
Epoch: 0,
},
{
Version: []byte{2, 0, 0, 1},
Epoch: 0,
},
{
Version: []byte{1, 0, 0, 1},
Epoch: 0,
},
},
}
case Goerli:
return &lctypes.ForkParameters{
GenesisForkVersion: []byte{0, 0, 16, 32},
Forks: []*lctypes.Fork{
{
Version: []byte{3, 0, 16, 32},
Epoch: 162304,
},
{
Version: []byte{2, 0, 16, 32},
Epoch: 112260,
},
{
Version: []byte{1, 0, 16, 32},
Epoch: 36660,
},
},
}
case Sepolia:
return &lctypes.ForkParameters{
GenesisForkVersion: []byte{144, 0, 0, 105},
Forks: []*lctypes.Fork{
{
Version: []byte{144, 0, 0, 114},
Epoch: 56832,
},
{
Version: []byte{144, 0, 0, 113},
Epoch: 100,
},
{
Version: []byte{144, 0, 0, 112},
Epoch: 50,
},
},
}
default:
panic(fmt.Sprintf("unknown network: %v", prc.Network))
}
}