Add RPC/getEpochSchedule

rpc/getEpochSchedule.go

@@ -0,0 +1,22 @@
+package rpc
+
+import (
+	"context"
+
+	bin "github.com/dfuse-io/binary"
+)
+
+type GetEpochScheduleResult struct {
+	SlotsPerEpoch            bin.Uint64 `json:"slotsPerEpoch"`            // the maximum number of slots in each epoch
+	LeaderScheduleSlotOffset bin.Uint64 `json:"leaderScheduleSlotOffset"` // the number of slots before beginning of an epoch to calculate a leader schedule for that epoch
+	Warmup                   bool       `json:"warmup"`                   // whether epochs start short and grow
+	FirstNormalEpoch         bin.Uint64 `json:"firstNormalEpoch"`         // first normal-length epoch, log2(slotsPerEpoch) - log2(MINIMUM_SLOTS_PER_EPOCH)
+	FirstNormalSlot          bin.Uint64 `json:"firstNormalSlot"`          // MINIMUM_SLOTS_PER_EPOCH * (2.pow(firstNormalEpoch) - 1)
+}
+
+// GetEpochSchedule returns epoch schedule information from this cluster's genesis config.
+func (cl *Client) GetEpochSchedule(ctx context.Context) (out *GetEpochScheduleResult, err error) {
+	params := []interface{}{}
+	err = cl.rpcClient.CallFor(&out, "getEpochSchedule", params...)
+	return
+}