50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
package result
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import (
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/util"
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)
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type (
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// Header wrapper used for the representation of
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// block header on the RPC Server.
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Header struct {
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Hash util.Uint256 `json:"hash"`
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Size int `json:"size"`
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Version uint32 `json:"version"`
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PrevBlockHash util.Uint256 `json:"previousblockhash"`
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MerkleRoot util.Uint256 `json:"merkleroot"`
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Timestamp uint64 `json:"time"`
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Index uint32 `json:"index"`
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NextConsensus string `json:"nextconsensus"`
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Witnesses []transaction.Witness `json:"witnesses"`
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Confirmations uint32 `json:"confirmations"`
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NextBlockHash *util.Uint256 `json:"nextblockhash,omitempty"`
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}
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)
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// NewHeader creates a new Header wrapper.
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func NewHeader(h *block.Header, chain blockchainer.Blockchainer) Header {
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res := Header{
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Hash: h.Hash(),
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Size: io.GetVarSize(h),
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Version: h.Version,
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PrevBlockHash: h.PrevHash,
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MerkleRoot: h.MerkleRoot,
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Timestamp: h.Timestamp,
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Index: h.Index,
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NextConsensus: address.Uint160ToString(h.NextConsensus),
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Witnesses: []transaction.Witness{h.Script},
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Confirmations: chain.BlockHeight() - h.Index + 1,
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}
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hash := chain.GetHeaderHash(int(h.Index) + 1)
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if !hash.Equals(util.Uint256{}) {
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res.NextBlockHash = &hash
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}
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return res
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}
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