/
writer.go
58 lines (51 loc) · 1.81 KB
/
writer.go
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// Copyright 2020 ChainSafe Systems
// SPDX-License-Identifier: LGPL-3.0-only
package ethereum
import (
"github.com/emit-technology/emit-cross/bindings/ethereum/Bridge"
"github.com/emit-technology/emit-cross/bindings/ethereum/ERC20Handler"
"github.com/emit-technology/emit-cross/bindings/ethereum/ERC721Handler"
"github.com/emit-technology/emit-cross/bindings/ethereum/NFTBridge"
log "github.com/emit-technology/emit-cross/log"
metrics "github.com/emit-technology/emit-cross/metrics/types"
)
var PassedStatus uint8 = 2
var TransferredStatus uint8 = 3
var CancelledStatus uint8 = 4
type writer struct {
cfg Config
conn Connection
bridgeContract *Bridge.Bridge // instance of bound receiver bridgeContract
nftBridgeContract *NFTBridge.NFTBridge
erc20HandlerContract *ERC20Handler.ERC20Handler
erc721HandlerContract *ERC721Handler.ERC721Handler
log log.Logger
stop <-chan int
sysErr chan<- error // Reports fatal error to core
metrics *metrics.ChainMetrics
}
// NewWriter creates and returns writer
func NewWriter(conn Connection, cfg *Config, log log.Logger, stop <-chan int, sysErr chan<- error, m *metrics.ChainMetrics) *writer {
return &writer{
cfg: *cfg,
conn: conn,
log: log,
stop: stop,
sysErr: sysErr,
metrics: m,
}
}
func (w *writer) start() error {
w.log.Debug("Starting sero writer...")
return nil
}
// setContract adds the bound receiver bridgeContract to the writer
func (w *writer) setContract(bridge *Bridge.Bridge,
nftBridge *NFTBridge.NFTBridge,
erc20Handler *ERC20Handler.ERC20Handler,
erc721Handler *ERC721Handler.ERC721Handler) {
w.bridgeContract = bridge
w.nftBridgeContract = nftBridge
w.erc20HandlerContract = erc20Handler
w.erc721HandlerContract = erc721Handler
}