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44 lines
1.2 KiB
44 lines
1.2 KiB
4 years ago
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package v1
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import (
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"context"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/harmony-one/harmony/hmy"
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internal_common "github.com/harmony-one/harmony/internal/common"
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)
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// PublicEthService provides an API to access to the Eth endpoints for the Harmony blockchain.
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type PublicEthService struct {
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hmy *hmy.Harmony
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}
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// NewPublicEthService creates a new API for the RPC interface
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func NewPublicEthService(hmy *hmy.Harmony, namespace string) rpc.API {
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if namespace == "" {
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namespace = "eth"
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}
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return rpc.API{
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Namespace: namespace,
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Version: "1.0",
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Service: &PublicEthService{hmy},
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Public: true,
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}
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}
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// GetBalance returns the amount of Atto for the given address in the state of the
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// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
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// block numbers are also allowed.
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func (s *PublicEthService) GetBalance(
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ctx context.Context, address string, blockNr rpc.BlockNumber,
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) (*hexutil.Big, error) {
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addr := internal_common.ParseAddr(address)
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balance, err := s.hmy.GetBalance(ctx, addr, blockNr)
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if err != nil {
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return nil, err
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}
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return (*hexutil.Big)(balance), nil
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}
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