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parser.rs 15.61 KiB
// Copyright (C) 2017-2019 The AXIOM TEAM Association.
//
// 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 <https://www.gnu.org/licenses/>.
//! Parsers for block.
use crate::block::{BlockDocument, BlockDocumentV10};
use dubp_common_doc::{BlockHash, BlockNumber};
use dubp_currency_params::genesis_block_params::v10::BlockV10Parameters;
use dubp_currency_params::CurrencyName;
use dubp_user_docs::documents::membership::v10::MembershipType;
use dubp_user_docs::documents::transaction::TransactionDocument;
use dubp_user_docs::parsers::{serde_json_value_to_pest_json_value, DefaultHasher};
use dup_crypto::bases::BaseConvertionError;
use dup_crypto::hashs::Hash;
use dup_crypto::keys::*;
use failure::Error;
use json_pest_parser::*;
use std::str::FromStr;
pub fn parse_json_block_from_serde_value(
serde_json_value: &serde_json::Value,
) -> Result<BlockDocument, Error> {
parse_json_block(&serde_json_value_to_pest_json_value(serde_json_value)?)
}
pub fn parse_json_block(json_block: &JSONValue<DefaultHasher>) -> Result<BlockDocument, Error> {
if !json_block.is_object() {
return Err(ParseJsonError {
cause: "Json block must be an object !".to_owned(),
}
.into());
}
let json_block = json_block.to_object().expect("safe unwrap");
let currency = get_str(json_block, "currency")?;
let block_number = get_number(json_block, "number")?.trunc() as u32;
Ok(BlockDocument::V10(BlockDocumentV10 {
version: get_number(json_block, "version")?.trunc() as u32,
nonce: get_u64(json_block, "nonce")?,
number: BlockNumber(block_number),
pow_min: get_number(json_block, "powMin")?.trunc() as usize,
time: get_number(json_block, "time")?.trunc() as u64,
median_time: get_number(json_block, "medianTime")?.trunc() as u64,
members_count: get_number(json_block, "membersCount")?.trunc() as usize,
monetary_mass: get_number(json_block, "monetaryMass")
.unwrap_or(0f64)
.trunc() as usize,
unit_base: get_number(json_block, "unitbase")?.trunc() as usize,
issuers_count: get_number(json_block, "issuersCount")?.trunc() as usize,
issuers_frame: get_number(json_block, "issuersFrame")?.trunc() as usize,
issuers_frame_var: get_number(json_block, "issuersFrameVar")?.trunc() as isize,
currency: CurrencyName(currency.to_owned()),
issuers: vec![PubKey::Ed25519(ed25519::PublicKey::from_base58(get_str(
json_block, "issuer",
)?)?)], signatures: vec![Sig::Ed25519(ed25519::Signature::from_base64(get_str(
json_block,
"signature",
)?)?)],
hash: Some(BlockHash(Hash::from_hex(get_str(json_block, "hash")?)?)),
parameters: get_optional_str_not_empty(json_block, "parameters")?
.map(BlockV10Parameters::from_str)
.transpose()?,
previous_hash: if block_number == 0 {
None
} else {
Some(Hash::from_hex(get_str(json_block, "previousHash")?)?)
},
previous_issuer: if block_number == 0 {
None
} else {
Some(PubKey::Ed25519(ed25519::PublicKey::from_base58(get_str(
json_block,
"previousIssuer",
)?)?))
},
inner_hash: Some(Hash::from_hex(get_str(json_block, "inner_hash")?)?),
dividend: get_optional_usize(json_block, "dividend")?,
identities: dubp_user_docs::parsers::identities::parse_compact_identities(
currency,
get_str_array(json_block, "identities")?,
)?,
joiners: dubp_user_docs::parsers::memberships::parse_compact_memberships(
currency,
MembershipType::In(),
&get_str_array(json_block, "joiners")?,
)?,
actives: dubp_user_docs::parsers::memberships::parse_compact_memberships(
currency,
MembershipType::In(),
&get_str_array(json_block, "actives")?,
)?,
leavers: dubp_user_docs::parsers::memberships::parse_compact_memberships(
currency,
MembershipType::Out(),
&get_str_array(json_block, "leavers")?,
)?,
revoked: dubp_user_docs::parsers::revoked::parse_revocations_into_compact(&get_str_array(
json_block, "revoked",
)?),
excluded: get_str_array(json_block, "excluded")?
.iter()
.map(|p| ed25519::PublicKey::from_base58(p))
.map(|p| p.map(PubKey::Ed25519))
.collect::<Result<Vec<PubKey>, BaseConvertionError>>()?,
certifications: dubp_user_docs::parsers::certifications::parse_certifications_into_compact(
&get_str_array(json_block, "certifications")?,
),
transactions: json_block
.get("transactions")
.ok_or_else(|| ParseJsonError {
cause: "Fail to parse json block : field 'transactions' must exist !".to_owned(),
})?
.to_array()
.ok_or_else(|| ParseJsonError {
cause: "Fail to parse json block : field 'transactions' must be an array !"
.to_owned(),
})?
.iter()
.map(|tx| dubp_user_docs::parsers::transactions::parse_json_transaction(tx))
.collect::<Result<Vec<TransactionDocument>, Error>>()?,
}))
}
#[cfg(test)]mod tests {
use super::*;
use crate::block::*;
#[test]
fn parse_empty_json_block() {
let block_json_str = r#"{
"version": 10,
"nonce": 10200000037108,
"number": 7,
"powMin": 70,
"time": 1488987677,
"medianTime": 1488987394,
"membersCount": 59,
"monetaryMass": 59000,
"unitbase": 0,
"issuersCount": 1,
"issuersFrame": 6,
"issuersFrameVar": 0,
"currency": "g1",
"issuer": "2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ",
"signature": "xaWNjdFeE4yr9+AKckgR6QuAvMzmKUWfY+uIlC3HKjn2apJqG70Gf59A71W+Ucz6E9WPXRzDDF/xOrf6GCGHCA==",
"hash": "0000407900D981FC17B5A6FBCF8E8AFA4C00FAD7AFC5BEA9A96FF505E5D105EC",
"parameters": "",
"previousHash": "0000379BBE6ABC18DCFD6E4733F9F76CB06593D10FAEDF722BE190C277AC16EA",
"previousIssuer": "2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ",
"inner_hash": "CF2701092D5A34A55802E343B5F8D61D9B7E8089F1F13A19721234DF5B2F0F38",
"dividend": null,
"identities": [],
"joiners": [],
"actives": [],
"leavers": [],
"revoked": [],
"excluded": [],
"certifications": [],
"transactions": [],
"raw": "Version: 10\nType: Block\nCurrency: g1\nNumber: 7\nPoWMin: 70\nTime: 1488987677\nMedianTime: 1488987394\nUnitBase: 0\nIssuer: 2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ\nIssuersFrame: 6\nIssuersFrameVar: 0\nDifferentIssuersCount: 1\nPreviousHash: 0000379BBE6ABC18DCFD6E4733F9F76CB06593D10FAEDF722BE190C277AC16EA\nPreviousIssuer: 2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ\nMembersCount: 59\nIdentities:\nJoiners:\nActives:\nLeavers:\nRevoked:\nExcluded:\nCertifications:\nTransactions:\nInnerHash: CF2701092D5A34A55802E343B5F8D61D9B7E8089F1F13A19721234DF5B2F0F38\nNonce: 10200000037108\n"
}"#;
let block_json_value = json_pest_parser::parse_json_string(block_json_str)
.expect("Fail to parse json block !");
assert_eq!(
BlockDocument::V10(BlockDocumentV10 {
version: 10,
nonce: 10200000037108,
number: BlockNumber(7),
pow_min: 70,
time: 1488987677,
median_time: 1488987394,
members_count: 59,
monetary_mass: 59000,
unit_base: 0,
issuers_count: 1,
issuers_frame: 6,
issuers_frame_var: 0,
currency: CurrencyName("g1".to_owned()),
issuers: vec![PubKey::Ed25519(
ed25519::PublicKey::from_base58("2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ")
.expect("Fail to parse issuer !")
)],
signatures: vec![Sig::Ed25519(
ed25519::Signature::from_base64("xaWNjdFeE4yr9+AKckgR6QuAvMzmKUWfY+uIlC3HKjn2apJqG70Gf59A71W+Ucz6E9WPXRzDDF/xOrf6GCGHCA==").expect("Fail to parse sig !")
)],
hash: Some(BlockHash(
Hash::from_hex(
"0000407900D981FC17B5A6FBCF8E8AFA4C00FAD7AFC5BEA9A96FF505E5D105EC"
)
.expect("Fail to parse hash !")
)),
parameters: None, previous_hash: Some(Hash::from_hex(
"0000379BBE6ABC18DCFD6E4733F9F76CB06593D10FAEDF722BE190C277AC16EA"
)
.expect("Fail to parse previous_hash !")),
previous_issuer: Some(PubKey::Ed25519(
ed25519::PublicKey::from_base58("2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ")
.expect("Fail to parse previous issuer !")
)),
inner_hash: Some(
Hash::from_hex(
"CF2701092D5A34A55802E343B5F8D61D9B7E8089F1F13A19721234DF5B2F0F38"
)
.expect("Fail to parse inner hash !")
),
dividend: None,
identities: vec![],
joiners: vec![],
actives: vec![],
leavers: vec![],
revoked: vec![],
excluded: vec![],
certifications: vec![],
transactions: vec![],
}),
parse_json_block(&block_json_value).expect("Fail to parse block_json_value !")
);
}
#[test]
fn parse_json_block_with_one_tx() -> Result<(), VerifyBlockHashError> {
let block_json_str = r#"{
"version": 10,
"nonce": 10100000033688,
"number": 52,
"powMin": 74,
"time": 1488990898,
"medianTime": 1488990117,
"membersCount": 59,
"monetaryMass": 59000,
"unitbase": 0,
"issuersCount": 1,
"issuersFrame": 6,
"issuersFrameVar": 0,
"currency": "g1",
"issuer": "2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ",
"signature": "4/UIwXzWQekbYw7fpD8ueMH4GnDEwCM+DvDaTfquBXOvFXLRYo/S+Vrk5u7so/98gYaZ2O7Myh20xgQvhh5FDQ==",
"hash": "000057D4B29AF6DADB16F841F19C54C00EB244CECA9C8F2D4839D54E5F91451C",
"parameters": "",
"previousHash": "00000FEDA61240DD125A26886FEB2E6995B52A94778C71224CAF8492FF257D47",
"previousIssuer": "2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ",
"inner_hash": "6B27ACDA51F416449E5A61FC69438F8974D11FC27EB7A992410C276FC0B9BA5F",
"dividend": null,
"identities": [],
"joiners": [],
"actives": [],
"leavers": [],
"revoked": [],
"excluded": [],
"certifications": [],
"transactions": [
{
"version": 10,
"currency": "g1",
"locktime": 0,
"blockstamp": "50-00001DAA4559FEDB8320D1040B0F22B631459F36F237A0D9BC1EB923C12A12E7",
"blockstampTime": 1488990016,
"issuers": [
"2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ"
],
"inputs": [ "1000:0:D:2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ:1"
],
"outputs": [
"1:0:SIG(Com8rJukCozHZyFao6AheSsfDQdPApxQRnz7QYFf64mm)",
"999:0:SIG(2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ)"
],
"unlocks": [
"0:SIG(0)"
],
"signatures": [
"fAH5Gor+8MtFzQZ++JaJO6U8JJ6+rkqKtPrRr/iufh3MYkoDGxmjzj6jCADQL+hkWBt8y8QzlgRkz0ixBcKHBw=="
],
"comment": "TEST",
"block_number": 0,
"time": 0
}
],
"raw": "Version: 10\nType: Block\nCurrency: g1\nNumber: 52\nPoWMin: 74\nTime: 1488990898\nMedianTime: 1488990117\nUnitBase: 0\nIssuer: 2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ\nIssuersFrame: 6\nIssuersFrameVar: 0\nDifferentIssuersCount: 1\nPreviousHash: 00000FEDA61240DD125A26886FEB2E6995B52A94778C71224CAF8492FF257D47\nPreviousIssuer: 2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ\nMembersCount: 59\nIdentities:\nJoiners:\nActives:\nLeavers:\nRevoked:\nExcluded:\nCertifications:\nTransactions:\nTX:10:1:1:1:2:1:0\n50-00001DAA4559FEDB8320D1040B0F22B631459F36F237A0D9BC1EB923C12A12E7\n2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ\n1000:0:D:2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ:1\n0:SIG(0)\n1:0:SIG(Com8rJukCozHZyFao6AheSsfDQdPApxQRnz7QYFf64mm)\n999:0:SIG(2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ)\nTEST\nfAH5Gor+8MtFzQZ++JaJO6U8JJ6+rkqKtPrRr/iufh3MYkoDGxmjzj6jCADQL+hkWBt8y8QzlgRkz0ixBcKHBw==\nInnerHash: 6B27ACDA51F416449E5A61FC69438F8974D11FC27EB7A992410C276FC0B9BA5F\nNonce: 10100000033688\n"
}"#;
let block_json_value = json_pest_parser::parse_json_string(block_json_str)
.expect("Fail to parse json block !");
let expected_block = BlockDocument::V10(BlockDocumentV10 {
version: 10,
nonce: 10100000033688,
number: BlockNumber(52),
pow_min: 74,
time: 1488990898,
median_time: 1488990117,
members_count: 59,
monetary_mass: 59000,
unit_base: 0,
issuers_count: 1,
issuers_frame: 6,
issuers_frame_var: 0,
currency: CurrencyName("g1".to_owned()),
issuers: vec![PubKey::Ed25519(
ed25519::PublicKey::from_base58("2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ")
.expect("Fail to parse issuer !")
)],
signatures: vec![Sig::Ed25519(
ed25519::Signature::from_base64("4/UIwXzWQekbYw7fpD8ueMH4GnDEwCM+DvDaTfquBXOvFXLRYo/S+Vrk5u7so/98gYaZ2O7Myh20xgQvhh5FDQ==").expect("Fail to parse sig !")
)],
hash: Some(BlockHash(
Hash::from_hex(
"000057D4B29AF6DADB16F841F19C54C00EB244CECA9C8F2D4839D54E5F91451C"
)
.expect("Fail to parse hash !")
)),
parameters: None,
previous_hash: Some(Hash::from_hex(
"00000FEDA61240DD125A26886FEB2E6995B52A94778C71224CAF8492FF257D47"
)
.expect("Fail to parse previous_hash !")),
previous_issuer: Some(PubKey::Ed25519(
ed25519::PublicKey::from_base58("2ny7YAdmzReQxAayyJZsyVYwYhVyax2thKcGknmQy5nQ")
.expect("Fail to parse previous issuer !")
)),
inner_hash: Some(
Hash::from_hex(
"6B27ACDA51F416449E5A61FC69438F8974D11FC27EB7A992410C276FC0B9BA5F"
)
.expect("Fail to parse inner hash !")
),
dividend: None,
identities: vec![],
joiners: vec![],
actives: vec![],
leavers: vec![], revoked: vec![],
excluded: vec![],
certifications: vec![],
transactions: vec![dubp_user_docs_tests_tools::mocks::tx::first_g1_tx_doc()],
});
assert_eq!(
expected_block,
parse_json_block(&block_json_value).expect("Fail to parse block_json_value !")
);
expected_block.verify_inner_hash()?;
Ok(())
}
}