diff --git a/db/migrations/00018_create_check_if_removed_functions.sql b/db/migrations/00018_create_check_if_removed_functions.sql
index 9a7e42d3..eff7cc2c 100644
--- a/db/migrations/00018_create_check_if_removed_functions.sql
+++ b/db/migrations/00018_create_check_if_removed_functions.sql
@@ -3,7 +3,7 @@
-- returns if a storage node at the provided path was removed in the range > the provided height and <= the provided block hash
CREATE OR REPLACE FUNCTION was_storage_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
AS $$
- SELECT exists(SELECT *
+ SELECT exists(SELECT 1
FROM eth.storage_cids
INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
@@ -12,7 +12,8 @@ AS $$
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
- AND storage_cids.node_type = 3);
+ AND storage_cids.node_type = 3
+ LIMIT 1);
$$ LANGUAGE SQL;
-- +goose StatementEnd
@@ -20,7 +21,7 @@ $$ LANGUAGE SQL;
-- returns if a state node at the provided path was removed in the range > the provided height and <= the provided block hash
CREATE OR REPLACE FUNCTION was_state_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
AS $$
- SELECT exists(SELECT *
+ SELECT exists(SELECT 1
FROM eth.state_cids
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE state_path = path
@@ -28,7 +29,8 @@ AS $$
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
- AND state_cids.node_type = 3);
+ AND state_cids.node_type = 3
+ LIMIT 1);
$$ LANGUAGE SQL;
-- +goose StatementEnd
diff --git a/db/migrations/00019_updated_canonical_hash_finder_functions.sql b/db/migrations/00019_updated_canonical_hash_finder_functions.sql
new file mode 100644
index 00000000..5e7db32c
--- /dev/null
+++ b/db/migrations/00019_updated_canonical_hash_finder_functions.sql
@@ -0,0 +1,121 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TYPE child_result AS (
+ has_child BOOLEAN,
+ children eth.header_cids[]
+);
+
+CREATE OR REPLACE FUNCTION has_child(hash VARCHAR(66), height BIGINT) RETURNS child_result AS
+$BODY$
+DECLARE
+ child_height INT;
+ temp_child eth.header_cids;
+ new_child_result child_result;
+BEGIN
+ child_height = height + 1;
+ -- short circuit if there are no children
+ SELECT exists(SELECT 1
+ FROM eth.header_cids
+ WHERE parent_hash = hash
+ AND block_number = child_height
+ LIMIT 1)
+ INTO new_child_result.has_child;
+ -- collect all the children for this header
+ IF new_child_result.has_child THEN
+ FOR temp_child IN
+ SELECT * FROM eth.header_cids WHERE parent_hash = hash AND block_number = child_height
+ LOOP
+ new_child_result.children = array_append(new_child_result.children, temp_child);
+ END LOOP;
+ END IF;
+ RETURN new_child_result;
+END
+$BODY$
+LANGUAGE 'plpgsql';
+-- +goose StatementEnd
+
+-- +goose StatementBegin
+CREATE OR REPLACE FUNCTION canonical_header_from_array(headers eth.header_cids[]) RETURNS eth.header_cids AS
+$BODY$
+DECLARE
+ canonical_header eth.header_cids;
+ canonical_child eth.header_cids;
+ header eth.header_cids;
+ current_child_result child_result;
+ child_headers eth.header_cids[];
+ current_header_with_child eth.header_cids;
+ has_children_count INT DEFAULT 0;
+BEGIN
+ -- for each header in the provided set
+ FOREACH header IN ARRAY headers
+ LOOP
+ -- check if it has any children
+ current_child_result = has_child(header.block_hash, header.block_number);
+ IF current_child_result.has_child THEN
+ -- if it does, take note
+ has_children_count = has_children_count + 1;
+ current_header_with_child = header;
+ -- and add the children to the growing set of child headers
+ child_headers = array_cat(child_headers, current_child_result.children);
+ END IF;
+ END LOOP;
+ -- if none of the headers had children, none is more canonical than the other
+ IF has_children_count = 0 THEN
+ -- return the first one selected
+ SELECT * INTO canonical_header FROM unnest(headers) LIMIT 1;
+ -- if only one header had children, it can be considered the heaviest/canonical header of the set
+ ELSIF has_children_count = 1 THEN
+ -- return the only header with a child
+ canonical_header = current_header_with_child;
+ -- if there are multiple headers with children
+ ELSE
+ -- find the canonical header from the child set
+ canonical_child = canonical_header_from_array(child_headers);
+ -- the header that is parent to this header, is the canonical header at this level
+ SELECT * INTO canonical_header FROM unnest(headers)
+ WHERE block_hash = canonical_child.parent_hash;
+ END IF;
+ RETURN canonical_header;
+END
+$BODY$
+LANGUAGE 'plpgsql';
+-- +goose StatementEnd
+
+-- +goose StatementBegin
+CREATE OR REPLACE FUNCTION canonical_header_id(height BIGINT) RETURNS INTEGER AS
+$BODY$
+DECLARE
+ canonical_header eth.header_cids;
+ headers eth.header_cids[];
+ header_count INT;
+ temp_header eth.header_cids;
+BEGIN
+ -- collect all headers at this height
+ FOR temp_header IN
+ SELECT * FROM eth.header_cids WHERE block_number = height
+ LOOP
+ headers = array_append(headers, temp_header);
+ END LOOP;
+ -- count the number of headers collected
+ header_count = array_length(headers, 1);
+ -- if we have less than 1 header, return NULL
+ IF header_count IS NULL OR header_count < 1 THEN
+ RETURN NULL;
+ -- if we have one header, return its id
+ ELSIF header_count = 1 THEN
+ RETURN headers[1].id;
+ -- if we have multiple headers we need to determine which one is canonical
+ ELSE
+ canonical_header = canonical_header_from_array(headers);
+ RETURN canonical_header.id;
+ END IF;
+END;
+$BODY$
+LANGUAGE 'plpgsql';
+-- +goose StatementEnd
+
+-- +goose Down
+DROP FUNCTION canonical_header_id;
+DROP FUNCTION canonical_header_from_array;
+DROP FUNCTION has_child;
+DROP TYPE child_result;
diff --git a/db/schema.sql b/db/schema.sql
index 91be03f0..d7af0d1c 100644
--- a/db/schema.sql
+++ b/db/schema.sql
@@ -2,8 +2,8 @@
-- PostgreSQL database dump
--
--- Dumped from database version 12.1
--- Dumped by pg_dump version 12.1
+-- Dumped from database version 12.4
+-- Dumped by pg_dump version 12.4
SET statement_timeout = 0;
SET lock_timeout = 0;
@@ -23,6 +23,58 @@ SET row_security = off;
CREATE SCHEMA eth;
+SET default_tablespace = '';
+
+SET default_table_access_method = heap;
+
+--
+-- Name: header_cids; Type: TABLE; Schema: eth; Owner: -
+--
+
+CREATE TABLE eth.header_cids (
+ id integer NOT NULL,
+ block_number bigint NOT NULL,
+ block_hash character varying(66) NOT NULL,
+ parent_hash character varying(66) NOT NULL,
+ cid text NOT NULL,
+ mh_key text NOT NULL,
+ td numeric NOT NULL,
+ node_id integer NOT NULL,
+ reward numeric NOT NULL,
+ state_root character varying(66) NOT NULL,
+ tx_root character varying(66) NOT NULL,
+ receipt_root character varying(66) NOT NULL,
+ uncle_root character varying(66) NOT NULL,
+ bloom bytea NOT NULL,
+ "timestamp" numeric NOT NULL,
+ times_validated integer DEFAULT 1 NOT NULL
+);
+
+
+--
+-- Name: TABLE header_cids; Type: COMMENT; Schema: eth; Owner: -
+--
+
+COMMENT ON TABLE eth.header_cids IS '@name EthHeaderCids';
+
+
+--
+-- Name: COLUMN header_cids.node_id; Type: COMMENT; Schema: eth; Owner: -
+--
+
+COMMENT ON COLUMN eth.header_cids.node_id IS '@name EthNodeID';
+
+
+--
+-- Name: child_result; Type: TYPE; Schema: public; Owner: -
+--
+
+CREATE TYPE public.child_result AS (
+ has_child boolean,
+ children eth.header_cids[]
+);
+
+
--
-- Name: graphql_subscription(); Type: FUNCTION; Schema: eth; Owner: -
--
@@ -78,6 +130,125 @@ END
$$;
+--
+-- Name: canonical_header_from_array(eth.header_cids[]); Type: FUNCTION; Schema: public; Owner: -
+--
+
+CREATE FUNCTION public.canonical_header_from_array(headers eth.header_cids[]) RETURNS eth.header_cids
+ LANGUAGE plpgsql
+ AS $$
+DECLARE
+ canonical_header eth.header_cids;
+ canonical_child eth.header_cids;
+ header eth.header_cids;
+ current_child_result child_result;
+ child_headers eth.header_cids[];
+ current_header_with_child eth.header_cids;
+ has_children_count INT DEFAULT 0;
+BEGIN
+ -- for each header in the provided set
+ FOREACH header IN ARRAY headers
+ LOOP
+ -- check if it has any children
+ current_child_result = has_child(header.block_hash, header.block_number);
+ IF current_child_result.has_child THEN
+ -- if it does, take note
+ has_children_count = has_children_count + 1;
+ current_header_with_child = header;
+ -- and add the children to the growing set of child headers
+ child_headers = array_cat(child_headers, current_child_result.children);
+ END IF;
+ END LOOP;
+ -- if none of the headers had children, none is more canonical than the other
+ IF has_children_count = 0 THEN
+ -- return the first one selected
+ SELECT * INTO canonical_header FROM unnest(headers) LIMIT 1;
+ -- if only one header had children, it can be considered the heaviest/canonical header of the set
+ ELSIF has_children_count = 1 THEN
+ -- return the only header with a child
+ canonical_header = current_header_with_child;
+ -- if there are multiple headers with children
+ ELSE
+ -- find the canonical header from the child set
+ canonical_child = canonical_header_from_array(child_headers);
+ -- the header that is parent to this header, is the canonical header at this level
+ SELECT * INTO canonical_header FROM unnest(headers)
+ WHERE block_hash = canonical_child.parent_hash;
+ END IF;
+ RETURN canonical_header;
+END
+$$;
+
+
+--
+-- Name: canonical_header_id(bigint); Type: FUNCTION; Schema: public; Owner: -
+--
+
+CREATE FUNCTION public.canonical_header_id(height bigint) RETURNS integer
+ LANGUAGE plpgsql
+ AS $$
+DECLARE
+ canonical_header eth.header_cids;
+ headers eth.header_cids[];
+ header_count INT;
+ temp_header eth.header_cids;
+BEGIN
+ -- collect all headers at this height
+ FOR temp_header IN
+ SELECT * FROM eth.header_cids WHERE block_number = height
+ LOOP
+ headers = array_append(headers, temp_header);
+ END LOOP;
+ -- count the number of headers collected
+ header_count = array_length(headers, 1);
+ -- if we have less than 1 header, return NULL
+ IF header_count IS NULL OR header_count < 1 THEN
+ RETURN NULL;
+ -- if we have one header, return its id
+ ELSIF header_count = 1 THEN
+ RETURN headers[1].id;
+ -- if we have multiple headers we need to determine which one is canonical
+ ELSE
+ canonical_header = canonical_header_from_array(headers);
+ RETURN canonical_header.id;
+ END IF;
+END;
+$$;
+
+
+--
+-- Name: has_child(character varying, bigint); Type: FUNCTION; Schema: public; Owner: -
+--
+
+CREATE FUNCTION public.has_child(hash character varying, height bigint) RETURNS public.child_result
+ LANGUAGE plpgsql
+ AS $$
+DECLARE
+ child_height INT;
+ temp_child eth.header_cids;
+ new_child_result child_result;
+BEGIN
+ child_height = height + 1;
+ -- short circuit if there are no children
+ SELECT exists(SELECT 1
+ FROM eth.header_cids
+ WHERE parent_hash = hash
+ AND block_number = child_height
+ LIMIT 1)
+ INTO new_child_result.has_child;
+ -- collect all the children for this header
+ IF new_child_result.has_child THEN
+ FOR temp_child IN
+ SELECT * FROM eth.header_cids WHERE parent_hash = hash AND block_number = child_height
+ LOOP
+ new_child_result.children = array_append(new_child_result.children, temp_child);
+ END LOOP;
+ END IF;
+ RETURN new_child_result;
+END
+$$;
+
+
--
-- Name: header_weight(character varying); Type: FUNCTION; Schema: public; Owner: -
--
@@ -107,7 +278,7 @@ $$;
CREATE FUNCTION public.was_state_removed(path bytea, height bigint, hash character varying) RETURNS boolean
LANGUAGE sql
AS $$
- SELECT exists(SELECT *
+ SELECT exists(SELECT 1
FROM eth.state_cids
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE state_path = path
@@ -115,7 +286,8 @@ CREATE FUNCTION public.was_state_removed(path bytea, height bigint, hash charact
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
- AND state_cids.node_type = 3);
+ AND state_cids.node_type = 3
+ LIMIT 1);
$$;
@@ -126,7 +298,7 @@ $$;
CREATE FUNCTION public.was_storage_removed(path bytea, height bigint, hash character varying) RETURNS boolean
LANGUAGE sql
AS $$
- SELECT exists(SELECT *
+ SELECT exists(SELECT 1
FROM eth.storage_cids
INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
@@ -135,52 +307,11 @@ CREATE FUNCTION public.was_storage_removed(path bytea, height bigint, hash chara
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
- AND storage_cids.node_type = 3);
+ AND storage_cids.node_type = 3
+ LIMIT 1);
$$;
-SET default_tablespace = '';
-
-SET default_table_access_method = heap;
-
---
--- Name: header_cids; Type: TABLE; Schema: eth; Owner: -
---
-
-CREATE TABLE eth.header_cids (
- id integer NOT NULL,
- block_number bigint NOT NULL,
- block_hash character varying(66) NOT NULL,
- parent_hash character varying(66) NOT NULL,
- cid text NOT NULL,
- mh_key text NOT NULL,
- td numeric NOT NULL,
- node_id integer NOT NULL,
- reward numeric NOT NULL,
- state_root character varying(66) NOT NULL,
- tx_root character varying(66) NOT NULL,
- receipt_root character varying(66) NOT NULL,
- uncle_root character varying(66) NOT NULL,
- bloom bytea NOT NULL,
- "timestamp" numeric NOT NULL,
- times_validated integer DEFAULT 1 NOT NULL
-);
-
-
---
--- Name: TABLE header_cids; Type: COMMENT; Schema: eth; Owner: -
---
-
-COMMENT ON TABLE eth.header_cids IS '@name EthHeaderCids';
-
-
---
--- Name: COLUMN header_cids.node_id; Type: COMMENT; Schema: eth; Owner: -
---
-
-COMMENT ON COLUMN eth.header_cids.node_id IS '@name EthNodeID';
-
-
--
-- Name: header_cids_id_seq; Type: SEQUENCE; Schema: eth; Owner: -
--
diff --git a/pkg/eth/backend.go b/pkg/eth/backend.go
index 0cb4c52c..b5d9f797 100644
--- a/pkg/eth/backend.go
+++ b/pkg/eth/backend.go
@@ -55,10 +55,10 @@ var (
const (
RetrieveCanonicalBlockHashByNumber = `SELECT block_hash FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
- WHERE id = (SELECT canonical_header($1))`
+ WHERE id = (SELECT canonical_header_id($1))`
RetrieveCanonicalHeaderByNumber = `SELECT cid, data FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
- WHERE id = (SELECT canonical_header($1))`
+ WHERE id = (SELECT canonical_header_id($1))`
RetrieveTD = `SELECT td FROM eth.header_cids
WHERE header_cids.block_hash = $1`
RetrieveRPCTransaction = `SELECT blocks.data, block_hash, block_number, index FROM public.blocks, eth.transaction_cids, eth.header_cids
@@ -72,7 +72,7 @@ const (
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = $2)
- AND header_cids.id = (SELECT canonical_header(block_number))
+ AND header_cids.id = (SELECT canonical_header_id(block_number))
ORDER BY block_number DESC
LIMIT 1`
RetrieveCodeByMhKey = `SELECT data FROM public.blocks WHERE key = $1`
diff --git a/pkg/eth/eth_state_test.go b/pkg/eth/eth_state_test.go
index 58148816..d8ad427a 100644
--- a/pkg/eth/eth_state_test.go
+++ b/pkg/eth/eth_state_test.go
@@ -61,14 +61,15 @@ func init() {
var _ = Describe("eth state reading tests", func() {
var (
- blocks []*types.Block
- receipts []types.Receipts
- chain *core.BlockChain
- db *postgres.DB
- api *eth.PublicEthAPI
- backend *eth.Backend
- chainConfig = params.TestChainConfig
- mockTD = big.NewInt(1337)
+ blocks []*types.Block
+ receipts []types.Receipts
+ chain *core.BlockChain
+ db *postgres.DB
+ api *eth.PublicEthAPI
+ backend *eth.Backend
+ chainConfig = params.TestChainConfig
+ mockTD = big.NewInt(1337)
+ expectedCanonicalHeader map[string]interface{}
)
It("test init", func() {
// db and type initializations
@@ -90,6 +91,27 @@ var _ = Describe("eth state reading tests", func() {
IntermediateStateNodes: true,
IntermediateStorageNodes: true,
}
+ canonicalHeader := blocks[1].Header()
+ expectedCanonicalHeader = map[string]interface{}{
+ "number": (*hexutil.Big)(canonicalHeader.Number),
+ "hash": canonicalHeader.Hash(),
+ "parentHash": canonicalHeader.ParentHash,
+ "nonce": canonicalHeader.Nonce,
+ "mixHash": canonicalHeader.MixDigest,
+ "sha3Uncles": canonicalHeader.UncleHash,
+ "logsBloom": canonicalHeader.Bloom,
+ "stateRoot": canonicalHeader.Root,
+ "miner": canonicalHeader.Coinbase,
+ "difficulty": (*hexutil.Big)(canonicalHeader.Difficulty),
+ "extraData": hexutil.Bytes([]byte{}),
+ "size": hexutil.Uint64(canonicalHeader.Size()),
+ "gasLimit": hexutil.Uint64(canonicalHeader.GasLimit),
+ "gasUsed": hexutil.Uint64(canonicalHeader.GasUsed),
+ "timestamp": hexutil.Uint64(canonicalHeader.Time),
+ "transactionsRoot": canonicalHeader.TxHash,
+ "receiptsRoot": canonicalHeader.ReceiptHash,
+ "totalDifficulty": (*hexutil.Big)(mockTD),
+ }
// iterate over the blocks, generating statediff payloads, and transforming the data into Postgres
builder := statediff.NewBuilder(chain.StateCache())
for i, block := range blocks {
@@ -128,6 +150,17 @@ var _ = Describe("eth state reading tests", func() {
_, err = transformer.Transform(0, payload)
Expect(err).ToNot(HaveOccurred())
}
+
+ // Insert some non-canonical data into the database so that we test our ability to discern canonicity
+ indexAndPublisher := eth2.NewIPLDPublisher(db)
+ api = eth.NewPublicEthAPI(backend, nil)
+ err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
+ Expect(err).ToNot(HaveOccurred())
+ // The non-canonical header has a child
+ err = indexAndPublisher.Publish(test_helpers.MockConvertedPayloadForChild)
+ Expect(err).ToNot(HaveOccurred())
+ err = publishCode(db, test_helpers.ContractCodeHash, test_helpers.ContractCode)
+ Expect(err).ToNot(HaveOccurred())
})
defer It("test teardown", func() {
eth.TearDownDB(db)
@@ -423,4 +456,12 @@ var _ = Describe("eth state reading tests", func() {
Expect(val).To(Equal(hexutil.Bytes{}))
})
})
+
+ Describe("eth_getHeaderByNumber", func() {
+ It("Finds the canonical header based on the header's weight relative to others at the provided height", func() {
+ header, err := api.GetHeaderByNumber(ctx, number)
+ Expect(err).ToNot(HaveOccurred())
+ Expect(header).To(Equal(expectedCanonicalHeader))
+ })
+ })
})
diff --git a/pkg/eth/ipld_retriever.go b/pkg/eth/ipld_retriever.go
index 8418bfe6..caf5dad5 100644
--- a/pkg/eth/ipld_retriever.go
+++ b/pkg/eth/ipld_retriever.go
@@ -108,7 +108,7 @@ const (
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = $2)
- AND header_cids.id = (SELECT canonical_header(block_number))
+ AND header_cids.id = (SELECT canonical_header_id(block_number))
ORDER BY block_number DESC
LIMIT 1`
RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid,
@@ -151,7 +151,7 @@ const (
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = $3)
- AND header_cids.id = (SELECT canonical_header(block_number))
+ AND header_cids.id = (SELECT canonical_header_id(block_number))
ORDER BY block_number DESC
LIMIT 1`
)
diff --git a/pkg/eth/test_helpers/test_data.go b/pkg/eth/test_helpers/test_data.go
index c86854d7..212caf66 100644
--- a/pkg/eth/test_helpers/test_data.go
+++ b/pkg/eth/test_helpers/test_data.go
@@ -77,9 +77,21 @@ var (
Extra: []byte{},
},
}
- ReceiptsRlp, _ = rlp.EncodeToBytes(MockReceipts)
- MockBlock = types.NewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts)
- MockHeaderRlp, _ = rlp.EncodeToBytes(MockBlock.Header())
+ ReceiptsRlp, _ = rlp.EncodeToBytes(MockReceipts)
+ MockBlock = types.NewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts)
+ MockHeaderRlp, _ = rlp.EncodeToBytes(MockBlock.Header())
+ MockChildHeader = types.Header{
+ Time: 0,
+ Number: new(big.Int).Add(BlockNumber, common.Big1),
+ Root: common.HexToHash("0x0"),
+ TxHash: common.HexToHash("0x0"),
+ ReceiptHash: common.HexToHash("0x0"),
+ Difficulty: big.NewInt(5000001),
+ Extra: []byte{},
+ ParentHash: MockBlock.Header().Hash(),
+ }
+ MockChild = types.NewBlock(&MockChildHeader, MockTransactions, MockUncles, MockReceipts)
+ MockChildRlp, _ = rlp.EncodeToBytes(MockChild.Header())
Address = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476592")
AnotherAddress = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476593")
ContractAddress = crypto.CreateAddress(SenderAddr, MockTransactions[2].Nonce())
@@ -351,6 +363,15 @@ var (
StorageNodes: MockStorageNodes,
StateNodes: MockStateNodes,
}
+ MockConvertedPayloadForChild = eth.ConvertedPayload{
+ TotalDifficulty: MockChild.Difficulty(),
+ Block: MockChild,
+ Receipts: MockReceipts,
+ TxMetaData: MockTrxMeta,
+ ReceiptMetaData: MockRctMeta,
+ StorageNodes: MockStorageNodes,
+ StateNodes: MockStateNodes,
+ }
MockCIDWrapper = ð2.CIDWrapper{
BlockNumber: new(big.Int).Set(BlockNumber),
diff --git a/pkg/rpc/check.go b/pkg/rpc/check.go
index 754f752e..0921568a 100644
--- a/pkg/rpc/check.go
+++ b/pkg/rpc/check.go
@@ -1,3 +1,19 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see .
+
package rpc
import "github.com/ethereum/go-ethereum/rpc"
diff --git a/pkg/rpc/http.go b/pkg/rpc/http.go
index ae1ab03e..5cb85ca0 100644
--- a/pkg/rpc/http.go
+++ b/pkg/rpc/http.go
@@ -1,3 +1,19 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see .
+
package rpc
import (
diff --git a/pkg/rpc/ipc.go b/pkg/rpc/ipc.go
index 4e170ebe..7b8e1c28 100644
--- a/pkg/rpc/ipc.go
+++ b/pkg/rpc/ipc.go
@@ -1,3 +1,19 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see .
+
package rpc
import (
diff --git a/pkg/rpc/ws.go b/pkg/rpc/ws.go
index cff19ab9..585cab62 100644
--- a/pkg/rpc/ws.go
+++ b/pkg/rpc/ws.go
@@ -1,3 +1,19 @@
+// VulcanizeDB
+// Copyright © 2020 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see .
+
package rpc
import (