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Query P2P in order to determine if an input is spent later on #689

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merged 1 commit into from
Nov 16, 2022
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Query P2P in order to determine if an input is spent later on #689

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21 changes: 21 additions & 0 deletions lib/archethic.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,27 @@ defmodule Archethic do
"""
@spec get_transaction_inputs(binary()) :: list(TransactionInput.t())
def get_transaction_inputs(address) when is_binary(address) do
# check the last transaction inputs to determine if a utxo is spent or not
{:ok, latest_address} = get_last_transaction_address(address)

if latest_address == address do
do_get_transaction_inputs(address)
else
latest_tx_inputs = do_get_transaction_inputs(latest_address)
current_tx_inputs = do_get_transaction_inputs(address)

Enum.map(current_tx_inputs, fn input ->
spent? =
not Enum.any?(latest_tx_inputs, fn input2 ->
input.from == input2.from and input.type == input2.type
end)

%TransactionInput{input | spent?: spent?}
end)
end
end

defp do_get_transaction_inputs(address) do
nodes =
address
|> Election.chain_storage_nodes(P2P.authorized_and_available_nodes())
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174 changes: 154 additions & 20 deletions test/archethic_test.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -232,12 +232,125 @@ defmodule ArchethicTest do
end

describe "get_transaction_inputs/1" do
test "should request the storages nodes to fetch the inputs remotely" do
@tag :toto1
test "should request the storages nodes to fetch the inputs remotely, this is latest tx" do
address1 = <<0::8, 0::8, :crypto.strong_rand_bytes(32)::binary>>

P2P.add_and_connect_node(%Node{
ip: {127, 0, 0, 1},
port: 3000,
first_public_key: Crypto.last_node_public_key(),
last_public_key: Crypto.last_node_public_key(),
first_public_key: Crypto.first_node_public_key(),
last_public_key: Crypto.first_node_public_key(),
network_patch: "AAA",
geo_patch: "AAA"
})

P2P.add_and_connect_node(%Node{
ip: {127, 0, 0, 1},
port: 3000,
first_public_key: "key1",
last_public_key: "key1",
network_patch: "AAA",
geo_patch: "AAA",
available?: true,
authorized?: true,
authorization_date: DateTime.utc_now()
})

MockClient
|> stub(:send_message, fn
_, %GetTransactionInputs{address: ^address1}, _ ->
{:ok,
%TransactionInputList{
inputs: [
%VersionedTransactionInput{
input: %TransactionInput{
from: "@Bob3",
amount: 1_000_000_000,
spent?: false,
type: :UCO,
timestamp: DateTime.utc_now()
},
protocol_version: 1
}
]
}}

_, %GetLastTransactionAddress{address: ^address1}, _ ->
{:ok, %LastTransactionAddress{address: address1, timestamp: DateTime.utc_now()}}
end)

assert [%TransactionInput{from: "@Bob3", amount: 1_000_000_000, spent?: false, type: :UCO}] =
Archethic.get_transaction_inputs(address1)
end

test "should request the storages nodes to fetch the inputs remotely, inputs are spent in a later tx" do
address1 = <<0::8, 0::8, :crypto.strong_rand_bytes(32)::binary>>
address1bis = <<0::8, 0::8, :crypto.strong_rand_bytes(32)::binary>>

P2P.add_and_connect_node(%Node{
ip: {127, 0, 0, 1},
port: 3000,
first_public_key: Crypto.first_node_public_key(),
last_public_key: Crypto.first_node_public_key(),
network_patch: "AAA",
geo_patch: "AAA"
})

P2P.add_and_connect_node(%Node{
ip: {127, 0, 0, 1},
port: 3000,
first_public_key: "key1",
last_public_key: "key1",
network_patch: "AAA",
geo_patch: "AAA",
available?: true,
authorized?: true,
authorization_date: DateTime.utc_now()
})

MockClient
|> stub(:send_message, fn
_, %GetTransactionInputs{address: ^address1}, _ ->
{:ok,
%TransactionInputList{
inputs: [
%VersionedTransactionInput{
input: %TransactionInput{
from: "@Bob3",
amount: 1_000_000_000,
spent?: false,
type: :UCO,
timestamp: DateTime.utc_now()
},
protocol_version: 1
}
]
}}

_, %GetTransactionInputs{address: ^address1bis}, _ ->
{:ok,
%TransactionInputList{
inputs: []
}}

_, %GetLastTransactionAddress{address: ^address1}, _ ->
{:ok, %LastTransactionAddress{address: address1bis, timestamp: DateTime.utc_now()}}
end)

assert [%TransactionInput{from: "@Bob3", amount: 1_000_000_000, spent?: true, type: :UCO}] =
Archethic.get_transaction_inputs(address1)
end

test "should request the storages nodes to fetch the inputs remotely, inputs are not spent in a later tx" do
address1 = <<0::8, 0::8, :crypto.strong_rand_bytes(32)::binary>>
address1bis = Crypto.derive_address(address1)

P2P.add_and_connect_node(%Node{
ip: {127, 0, 0, 1},
port: 3000,
first_public_key: Crypto.first_node_public_key(),
last_public_key: Crypto.first_node_public_key(),
network_patch: "AAA",
geo_patch: "AAA"
})
Expand All @@ -255,26 +368,47 @@ defmodule ArchethicTest do
})

MockClient
|> expect(:send_message, fn _, %GetTransactionInputs{}, _ ->
{:ok,
%TransactionInputList{
inputs: [
%VersionedTransactionInput{
input: %TransactionInput{
from: "@Bob3",
amount: 1_000_000_000,
spent?: false,
type: :UCO,
timestamp: DateTime.utc_now()
},
protocol_version: 1
}
]
}}
|> stub(:send_message, fn
_, %GetTransactionInputs{address: ^address1}, _ ->
{:ok,
%TransactionInputList{
inputs: [
%VersionedTransactionInput{
input: %TransactionInput{
from: "@Bob3",
amount: 1_000_000_000,
spent?: false,
type: :UCO,
timestamp: DateTime.utc_now()
},
protocol_version: 1
}
]
}}

_, %GetTransactionInputs{address: ^address1bis}, _ ->
{:ok,
%TransactionInputList{
inputs: [
%VersionedTransactionInput{
input: %TransactionInput{
from: "@Bob3",
amount: 1_000_000_000,
spent?: false,
type: :UCO,
timestamp: DateTime.utc_now()
},
protocol_version: 1
}
]
}}

_, %GetLastTransactionAddress{address: ^address1}, _ ->
{:ok, %LastTransactionAddress{address: address1bis, timestamp: DateTime.utc_now()}}
end)

assert [%TransactionInput{from: "@Bob3", amount: 1_000_000_000, spent?: false, type: :UCO}] =
Archethic.get_transaction_inputs("@Alice2")
Archethic.get_transaction_inputs(address1)
end
end

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