/
genesis.go
59 lines (49 loc) · 1.88 KB
/
genesis.go
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package keeper
import (
"fmt"
"sort"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/axelarnetwork/axelar-core/x/multisig/exported"
"github.com/axelarnetwork/axelar-core/x/multisig/types"
nexus "github.com/axelarnetwork/axelar-core/x/nexus/exported"
"github.com/axelarnetwork/utils/funcs"
"github.com/axelarnetwork/utils/slices"
)
// InitGenesis initializes the state from a genesis file
func (k Keeper) InitGenesis(ctx sdk.Context, state *types.GenesisState) {
k.setParams(ctx, state.Params)
slices.ForEach(state.KeygenSessions, withContext(ctx, k.setKeygenSession))
slices.ForEach(state.Keys, withContext(ctx, k.setKey))
slices.ForEach(state.SigningSessions, withContext(ctx, k.setSigningSession))
slices.ForEach(state.KeyEpochs, withContext(ctx, k.setKeyEpoch))
keyEpochsByChain := slices.GroupBy(state.KeyEpochs, func(keyEpoch types.KeyEpoch) nexus.ChainName { return keyEpoch.GetChain() })
for chain, keyEpochs := range keyEpochsByChain {
sort.SliceStable(keyEpochs, func(i, j int) bool { return keyEpochs[i].Epoch < keyEpochs[j].Epoch })
latestKeyEpoch := slices.Last(keyEpochs)
key := funcs.MustOk(k.getKey(ctx, latestKeyEpoch.GetKeyID()))
switch key.State {
case exported.Assigned:
k.setKeyRotationCount(ctx, chain, uint64(len(keyEpochs)-1))
case exported.Active:
k.setKeyRotationCount(ctx, chain, uint64(len(keyEpochs)))
default:
panic(fmt.Errorf("invalid state for key %s", key.GetID()))
}
}
k.setSigningSessionCount(ctx, uint64(len(state.SigningSessions)))
}
// ExportGenesis generates a genesis file from the state
func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
return types.NewGenesisState(
k.GetParams(ctx),
k.getKeygenSessions(ctx),
k.getSigningSessions(ctx),
k.getKeys(ctx),
k.getKeyEpochs(ctx),
)
}
func withContext[T any](ctx sdk.Context, fn func(sdk.Context, T)) func(T) {
return func(t T) {
fn(ctx, t)
}
}