block.go

package relayer

import (
	"math/big"

	"github.com/ethereum/go-ethereum/common"
)

// Block is a database model representing simple header types
// to keep track of our most recently processed block number and hash.
type Block struct {
	ID          int    `json:"id"`
	Height      uint64 `json:"blockHeight" gorm:"column:block_height"`
	Hash        string `json:"hash"`
	ChainID     int64  `json:"chainID"`
	DestChainID int64  `json:"destChainID"`
	EventName   string `json:"eventName"`
}

// SaveBlockOpts is required to store a new block
type SaveBlockOpts struct {
	Height      uint64
	Hash        common.Hash
	ChainID     *big.Int
	DestChainID *big.Int
	EventName   string
}

// BlockRepository defines methods necessary for interacting with
// the block store.
type BlockRepository interface {
	Save(opts SaveBlockOpts) error
	GetLatestBlockProcessedForEvent(
		eventName string,
		chainID *big.Int,
		destChainID *big.Int,
	) (*Block, error)
}