38 lines
874 B
Go
38 lines
874 B
Go
package contract
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import (
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"context"
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"fmt"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common"
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"github.com/omni/tokenbridge-monitor/contract/abi"
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"github.com/omni/tokenbridge-monitor/ethclient"
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)
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type Contract struct {
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client ethclient.Client
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Address common.Address
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ABI abi.ABI
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}
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func NewContract(client ethclient.Client, addr common.Address, abi abi.ABI) *Contract {
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return &Contract{client, addr, abi}
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}
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func (c *Contract) Call(ctx context.Context, method string, args ...interface{}) ([]byte, error) {
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data, err := c.ABI.Pack(method, args...)
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if err != nil {
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return nil, fmt.Errorf("cannot encode abi calldata: %w", err)
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}
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res, err := c.client.CallContract(ctx, ethereum.CallMsg{
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To: &c.Address,
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Data: data,
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})
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if err != nil {
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return nil, fmt.Errorf("cannot call %s(...): %w", method, err)
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}
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return res, nil
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}
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