dragonchain/dragonchain-sdk-go

// Copyright 2020 Dragonchain, Inc. or its affiliates. All Rights Reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//     http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package dragonchain

// Common block structs

// Block defines the structure of a finalized block.
type Block struct {
    Version       string           `json:"version"`
    DCRN          string           `json:"dcrn"`
    Header        BlockHeader      `json:"header"`
    Proof         BlockProof       `json:"proof"`
    Transactions  []Transaction    `json:"transactions,omitempty"`   // L1 only
    Validation    L1Verification   `json:"validation,omitempty"`     // L2 only
    L2Validations L2Verification   `json:"l2-validations,omitempty"` // L3 only
    L3Validations []L3Verification `json:"l3-validations,omitempty"` // L4 only
    L4Blocks      []string         `json:"l4-blocks,omitempty"`      // L5 only
}

// BlockHeader defines the structure of a block's header
type BlockHeader struct {
    DcID       string `json:"dc_id"`
    DDSS       string `json:"current_ddss"`
    Level      int    `json:"level"`
    BlockID    string `json:"block_id"`
    Timestamp  string `json:"timestamp"`
    PrevProof  string `json:"prev_proof"`
    PreviousID string `json:"prev_id"`
    // L4 only headers
    L1BlockID string `json:"l1_block_id,omitempty"`
    L1ChainID string `json:"l1_dc_id,omitempty"`
    L1Proof   string `json:"l1_proof,omitempty"`
}

// BlockProof defines the structure of a signature proof.
type BlockProof struct {
    Scheme string `json:"scheme"`
    Proof  string `json:"proof,omitempty"`
    Nonce  int    `json:"nonce,omitempty"` // Used for PoW chains.
    // L5 only proofs
    BlockLastSentAt int64    `json:"block_last_sent_at,omitempty"`
    TxnHash         []string `json:"transaction_hash,omitempty"`
    Network         string   `json:"network,omitempty"`
}