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spec/lib/ethereum/blockchain_spec.rb Normal file
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describe Ethereum::Blockchain do
let(:eth) do
Currency.find_by(id: :eth)
end
let(:trst) do
Currency.find_by(id: :trst)
end
let(:ring) do
Currency.find_by(id: :ring)
end
let!(:tom) do
create(:currency, :tom)
end
let!(:address_1) { create(:whitelisted_smart_contract, :address_1, address: '0x6c0b51971650d28821ce30b15b02b9826a20b129') }
let!(:address_2) { create(:whitelisted_smart_contract, :address_2) }
let!(:address_3) { create(:whitelisted_smart_contract, :address_3) }
let!(:address_4) { create(:whitelisted_smart_contract, :address_4) }
let!(:address_5) { create(:whitelisted_smart_contract, :address_5) }
let(:blockchain) do
Ethereum::Blockchain.new.tap { |b| b.configure(server: server, currencies: [eth.to_blockchain_api_settings, trst.to_blockchain_api_settings, ring.to_blockchain_api_settings, tom.to_blockchain_api_settings], whitelisted_addresses: [address_1, address_2, address_3, address_4, address_5]) }
end
let(:server) { 'http://127.0.0.1:8545' }
let(:endpoint) { 'http://127.0.0.1:8545' }
context :features do
it 'defaults' do
blockchain1 = Ethereum::Blockchain.new
expect(blockchain1.features).to eq Ethereum::Blockchain::DEFAULT_FEATURES
end
it 'override defaults' do
blockchain2 = Ethereum::Blockchain.new(cash_addr_format: true)
expect(blockchain2.features[:cash_addr_format]).to be_truthy
end
it 'custom feautures' do
blockchain3 = Ethereum::Blockchain.new(custom_feature: :custom)
expect(blockchain3.features.keys).to contain_exactly(*Ethereum::Blockchain::SUPPORTED_FEATURES)
end
end
context :configure do
let(:blockchain) { Ethereum::Blockchain.new }
it 'default settings' do
expect(blockchain.settings).to eq({})
end
it 'currencies and server configuration' do
currencies = Currency.where(type: :coin).first(2).map(&:to_blockchain_api_settings)
settings = { server: server,
currencies: currencies,
something: :custom }
blockchain.configure(settings)
expect(blockchain.settings).to eq(settings.slice(*Peatio::Blockchain::Abstract::SUPPORTED_SETTINGS))
end
end
context :latest_block_number do
around do |example|
WebMock.disable_net_connect!
example.run
WebMock.allow_net_connect!
end
let(:blockchain) do
Ethereum::Blockchain.new.tap { |b| b.configure(server: server) }
end
let(:method) { :eth_blockNumber }
it 'returns latest block number' do
block_number = '0x16b916'
stub_request(:post, 'http://127.0.0.1:8545')
.with(body: { jsonrpc: '2.0',
id: 1,
method: :eth_blockNumber,
params: [] }.to_json)
.to_return(body: { result: block_number,
error: nil,
id: 1 }.to_json)
expect(blockchain.latest_block_number).to eq(block_number.to_i(16))
end
it 'raises error if there is error in response body' do
stub_request(:post, 'http://127.0.0.1:8545')
.with(body: { jsonrpc: '2.0',
id: 1,
method: method,
params: [] }.to_json)
.to_return(body: { jsonrpc: '2.0',
id: 1,
error: { code: -32601, message: "The method #{method} does not exist/is not available" },
id: 1 }.to_json)
expect{ blockchain.latest_block_number }.to raise_error(Peatio::Blockchain::ClientError)
end
it 'keeps alive' do
stub_request(:post, endpoint)
.to_return(body: { result: '0x16b916',
error: nil,
id: nil }.to_json)
.with(headers: { 'Connection': 'keep-alive',
'Keep-Alive': '30' })
blockchain.latest_block_number
end
end
context :fetch_block! do
around do |example|
WebMock.disable_net_connect!
example.run
WebMock.allow_net_connect!
end
let(:block_file_name) { '2621840-2621842.json' }
let(:block_data) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby', block_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:transaction_receipt_data) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby/transaction-receipts', block_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:start_block) { block_data.first['result']['number'].hex }
let(:latest_block) { block_data.last['result']['number'].hex }
def request_block_body(block_height)
{ jsonrpc: '2.0',
id: 1,
method: :eth_getBlockByNumber,
params: [block_height, true]
}.to_json
end
def request_receipt_block_body(block_hash)
{ jsonrpc: '2.0',
id: 1,
method: :eth_getTransactionReceipt,
params: [block_hash]
}.to_json
end
before do
Ethereum::Client.any_instance.stubs(:rpc_call_id).returns(1)
block_data.each do |blk|
# stub get_block_hash
stub_request(:post, endpoint)
.with(body: request_block_body(blk['result']['number']))
.to_return(body: blk.to_json )
end
transaction_receipt_data.each do |blk|
# stub get_receipt
stub_request(:post, endpoint)
.with(body: request_receipt_block_body(blk['result']['transactionHash']))
.to_return(body: blk.to_json)
end
end
context 'first block' do
let(:expected_transactions) do
[{:hash=>"0xb60e22c6eed3dc8cd7bc5c7e38c50aa355c55debddbff5c1c4837b995b8ee96d",
:amount=>1.to_d,
:to_address=>"0xe3cb6897d83691a8eb8458140a1941ce1d6e6daa",
:from_addresses=>['0xb3ebc7b5b631e8d145f383c8cd07f0f00dd56a30'],
:txout=>26,
:block_number=>2621840,
:status=>"pending",
:currency_id=>eth.id}]
end
subject { blockchain.fetch_block!(start_block) }
it 'builds expected number of transactions' do
subject.transactions.each_with_index do |t, i|
expect(t.as_json).to eq(expected_transactions[i].as_json)
end
end
it 'all transactions are valid' do
expect(subject.all?(&:valid?)).to be_truthy
end
end
context 'last block' do
subject { blockchain.fetch_block!(latest_block) }
let(:expected_transactions) do
[{:hash=>"0x0338e2a59db18596afff8b7a0db3669cc231c7333064640bedf3a73c1c1c31ed",
:amount=>18.75.to_d,
:to_address=>"0xc4d276bf32b71cdddb18f3b4d258f057a5ffda03",
:from_addresses=>['0x31b98d14007bdee637298086988a0bbd31184523'],
:txout=>13,
:block_number=>2621842,
:status=>"pending",
:currency_id=>eth.id},
{:hash=>"0x826555325cec51c4d39b327e563ce3e8ee87e27be5911383f528724a62f0da5d",
:amount=>2.to_d,
:to_address=>"0xe3cb6897d83691a8eb8458140a1941ce1d6e6daa",
:from_addresses=>['0x4de22dd63afb3bec965dbb734c15fba58800c923'],
:txout=>8,
:block_number=>2621842,
:status=>"success",
:currency_id=>trst.id},
{:hash=>"0x826555325cec51c4d39b327e563ce3e8ee87e27be5911383f528724a62f0da5d",
:amount=>2.to_d,
:to_address=>"0x4b6a630ff1f66604d31952bdce2e4950efc99821",
:from_addresses=>['0x4de22dd63afb3bec965dbb734c15fba58800c923'],
:txout=>9,
:block_number=>2621842,
:status=>"success",
:currency_id=>ring.id},
{:hash=>"0xd5cc0d1d5dd35f4b57572b440fb4ef39a4ab8035657a21692d1871353bfbceea",
:amount=>2.to_d,
:to_address=>"0xe3cb6897d83691a8eb8458140a1941ce1d6e6dac",
:from_addresses=>['0x4de22dd63afb3bec965dbb734c15fba58800c923'],
:txout=>9,
:block_number=>2621842,
:status=>"failed",
:currency_id=>trst.id},
{:hash=>"0x5ab0f1a1f29da4e4ddb021c28e2383ec6bde03fb04a8e25c49a1ae5ae34b6f58",
:amount=>0.039082.to_d,
:to_address=>"0x40968978cf4e6b53ca161c5ba6918a926a8d5ac2",
:from_addresses=>['0x210169700dd7131df7fc4885804a0c92c45e63f6'],
:txout=>131,
:block_number=>8292243,
:status=>"pending",
:currency_id=>eth.id},
{:hash=>"0xeb92797eb91f53ce7bb68abaf3fd3198980d971dd42f9fcb6eb1272ef3ef2a0e",
:to_address=>"0xbbd602bb278edff65cbc967b9b62095ad5be23a3",
:from_addresses=>["0x095273adb73e55a8710e448c49eaee16fe115527"],
:amount=>2436832050000.to_d,
:currency_id=>tom.id,
:block_number=>11684206,
:status=>"success",
:txout=>3}
]
end
it 'builds expected number of transactions' do
subject.transactions.each_with_index do |t, i|
expect(t.as_json).to eq(expected_transactions[i].as_json)
end
end
it 'all transactions are valid' do
expect(subject.all?(&:valid?)).to be_truthy
end
end
end
context :build_transaction do
context :eth_transaction do
let(:tx_file_name) { '0xb60e22c6eed3dc8cd7bc5c7e38c50aa355c55debddbff5c1c4837b995b8ee96d.json' }
let(:tx_hash) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby', 'transactions', tx_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:expected_transactions) do
[{:hash=>"0xb60e22c6eed3dc8cd7bc5c7e38c50aa355c55debddbff5c1c4837b995b8ee96d",
:to_address=>"0xe3cb6897d83691a8eb8458140a1941ce1d6e6daa",
:from_addresses=>["0xb3ebc7b5b631e8d145f383c8cd07f0f00dd56a30"],
:txout=>26,
:amount=>1.to_d,
:block_number=>2621840,
:currency_id=>eth.id,
:status=>'pending'}]
end
it 'builds formatted transactions for passed transaction' do
expect(blockchain.send(:build_transactions, tx_hash)).to contain_exactly(*expected_transactions)
end
end
context :erc20_transaction do
let(:tx_file_name) { '0x826555325cec51c4d39b327e563ce3e8ee87e27be5911383f528724a62f0da5d.json' }
let(:tx_hash) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby', 'transactions', tx_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:expected_transactions) do
[{:hash=>"0x826555325cec51c4d39b327e563ce3e8ee87e27be5911383f528724a62f0da5d",
:to_address=>"0xe3cb6897d83691a8eb8458140a1941ce1d6e6daa",
:from_addresses=>["0x4de22dd63afb3bec965dbb734c15fba58800c923"],
:amount=>2.to_d,
:currency_id=>trst.id,
:block_number=>2621842,
:status=>"success",
:txout=>8},
{:hash=>"0x826555325cec51c4d39b327e563ce3e8ee87e27be5911383f528724a62f0da5d",
:to_address=>"0x4b6a630ff1f66604d31952bdce2e4950efc99821",
:from_addresses=>["0x4de22dd63afb3bec965dbb734c15fba58800c923"],
:amount=>2.to_d,
:currency_id=>ring.id,
:block_number=>2621842,
:status=>"success",
:txout=>9}]
end
it 'builds formatted transactions for passed transaction' do
expect(blockchain.send(:build_transactions, tx_hash)).to contain_exactly(*expected_transactions)
end
context :pending_erc20_transaction do
let(:tx_file_name) { '0xb44861cb188356c67bec27a35abab1b7ef33fc402330faa9ac4d863ef621d7b1.json' }
let(:tx_hash) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby', 'transactions', tx_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:expected_transactions) do
[]
end
it 'builds formatted transactions for passed transaction' do
expect(blockchain.send(:build_transactions, tx_hash)).to contain_exactly(*expected_transactions)
end
end
end
context :tom_whitelisted_smart_contract_transaction do
let(:tx_file_name) { '0xeb92797eb91f53ce7bb68abaf3fd3198980d971dd42f9fcb6eb1272ef3ef2a0e.json' }
let(:tx_hash) do
Rails.root.join('spec', 'resources', 'ethereum-data', 'rinkeby', 'transactions', tx_file_name)
.yield_self { |file_path| File.open(file_path) }
.yield_self { |file| JSON.load(file) }
end
let(:expected_transactions) do
[{:hash=>"0xeb92797eb91f53ce7bb68abaf3fd3198980d971dd42f9fcb6eb1272ef3ef2a0e",
:to_address=>"0xbbd602bb278edff65cbc967b9b62095ad5be23a3",
:from_addresses=>["0x095273adb73e55a8710e448c49eaee16fe115527"],
:amount=>2436832050000.to_d,
:currency_id=>tom.id,
:block_number=>11684206,
:status=>"success",
:txout=>3}
]
end
it 'builds formatted transactions for passed transaction' do
expect(blockchain.send(:build_transactions, tx_hash)).to contain_exactly(*expected_transactions)
end
end
end
context :load_balance_of_address! do
around do |example|
WebMock.disable_net_connect!
example.run
WebMock.allow_net_connect!
end
let(:response1) do
{
jsonrpc: '2.0',
result: "0x71a5c4e9fe8a100",
id: 1
}
end
let(:response2) do
{
jsonrpc: '2.0',
result: "0x7a120",
id: 1
}
end
before do
stub_request(:post, 'http://127.0.0.1:8545')
.with(body: { jsonrpc: '2.0',
id: 1,
method: :eth_getBalance,
params:
[
'0x1c077de4aa6fa6fa023a9e31b8bdddeb0b44c774',
'latest'
] }.to_json)
.to_return(body: response1.to_json)
stub_request(:post, 'http://127.0.0.1:8545')
.with(body: { jsonrpc: '2.0',
id: 1,
method: :eth_call,
params:
[
{
to: "0x87099add3bcc0821b5b151307c147215f839a110",
data: "0x70a082310000000000000000000000001c077de4aa6fa6fa023a9e31b8bdddeb0b44c774"
},
'latest'
] }.to_json)
.to_return(body: response2.to_json)
end
context 'get balance of eth/erc20 address' do
it 'requests rpc eth_getBalance and get balance' do
address = '0x1c077de4aa6fa6fa023a9e31b8bdddeb0b44c774'
result = blockchain.load_balance_of_address!(address, :eth)
expect(result).to be_a(BigDecimal)
expect(result).to eq('0.51182300042'.to_d)
end
it 'requests rpc eth_call and get token balance' do
address = '0x1c077de4aa6fa6fa023a9e31b8bdddeb0b44c774'
result = blockchain.load_balance_of_address!(address, :trst)
expect(result).to be_a(BigDecimal)
expect(result).to eq('0.5'.to_d)
end
it 'raise undefined currency error' do
expect { blockchain.load_balance_of_address!('something', :usdt).to raise(Ethereum::Blockchain::UndefinedCurrencyError) }
end
end
context 'client error is raised' do
before do
stub_request(:post, 'http://127.0.0.1:8545')
.with(body: { jsonrpc: '2.0',
id: 1,
method: :eth_getBalance,
params:
[
'anything',
'latest'
] }.to_json)
.to_return(body: { jsonrpc: '2.0',
error: { code: -32601, message: 'Method not found' },
id: 1 }.to_json)
end
it 'raise wrapped client error' do
expect { blockchain.load_balance_of_address!('anything', :eth) }.to raise_error(Peatio::Blockchain::ClientError)
end
end
end
end