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eth_getFilterLogs.go
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/
eth_getFilterLogs.go
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package transformer
import (
"context"
"math/big"
"github.com/labstack/echo"
"github.com/revolutionchain/charon/pkg/eth"
)
// ProxyETHGetFilterLogs implements ETHProxy
type ProxyETHGetFilterLogs struct {
*ProxyETHGetFilterChanges
}
func (p *ProxyETHGetFilterLogs) Method() string {
return "eth_getFilterLogs"
}
func (p *ProxyETHGetFilterLogs) Request(rawreq *eth.JSONRPCRequest, c echo.Context) (interface{}, eth.JSONRPCError) {
filter, err := processFilter(p.ProxyETHGetFilterChanges, rawreq)
if err != nil {
return nil, err
}
switch filter.Type {
case eth.NewFilterTy:
return p.request(c.Request().Context(), filter)
default:
return nil, eth.NewInvalidParamsError("filter not found")
}
}
func (p *ProxyETHGetFilterLogs) request(ctx context.Context, filter *eth.Filter) (revoresp eth.GetFilterChangesResponse, err eth.JSONRPCError) {
revoresp = make(eth.GetFilterChangesResponse, 0)
_lastBlockNumber, ok := filter.Data.Load("lastBlockNumber")
if !ok {
return revoresp, eth.NewCallbackError("Could not get lastBlockNumber")
}
lastBlockNumber := _lastBlockNumber.(uint64)
_toBlock, ok := filter.Data.Load("toBlock")
if !ok {
return revoresp, eth.NewCallbackError("Could not get toBlock")
}
toBlock := _toBlock.(uint64)
searchLogsReq, err := p.ProxyETHGetFilterChanges.toSearchLogsReq(filter, big.NewInt(int64(lastBlockNumber)), big.NewInt(int64(toBlock)))
if err != nil {
return nil, err
}
return p.ProxyETHGetFilterChanges.doSearchLogs(ctx, searchLogsReq)
}