Client.GetEpochBlock() wraps 'ftm_getEpochBlock' call

Fantom-foundation · Sep 11, 2023 · def8619 · def8619
1 parent a170474
commit def8619
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/ftmclient/abft_api.go b/ftmclient/abft_api.go
@@ -4,16 +4,17 @@ import (
 	"context"
 	"math/big"
 
+	"github.com/Fantom-foundation/lachesis-base/inter/idx"
 	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 
 	"github.com/Fantom-foundation/go-opera/inter"
 )
 
 // GetValidators returns Lachesis event by hash or short ID.
-func (ec *Client) GetValidators(ctx context.Context, epoch *big.Int) (inter.ValidatorProfiles, error) {
+func (ec *Client) GetValidators(ctx context.Context, epoch idx.Epoch) (inter.ValidatorProfiles, error) {
 	var raw map[hexutil.Uint64]interface{}
-	err := ec.c.CallContext(ctx, &raw, "abft_getValidators", toBlockNumArg(epoch))
+	err := ec.c.CallContext(ctx, &raw, "abft_getValidators", toBlockNumArg(big.NewInt(int64(epoch))))
 	if err != nil {
 		return nil, err
 	} else if len(raw) == 0 {

diff --git a/ftmclient/ftm_api.go b/ftmclient/ftm_api.go
@@ -0,0 +1,17 @@
+package ftmclient
+
+import (
+	"context"
+	"math/big"
+
+	"github.com/Fantom-foundation/lachesis-base/inter/idx"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+// GetEpochBlock returns block height in a beginning of an epoch.
+func (ec *Client) GetEpochBlock(ctx context.Context, epoch idx.Epoch) (idx.Block, error) {
+	var raw hexutil.Uint64
+	err := ec.c.CallContext(ctx, &raw, "ftm_getEpochBlock", toBlockNumArg(big.NewInt(int64(epoch))))
+
+	return idx.Block(raw), err
+}