1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
use crateError;
use Object;
use ScriptPublicKey;
use *;
use *;
use *;
/*
impl TryFrom<JsValue> for TransactionOutpoint {
type Error = Error;
fn try_from(value: JsValue) -> Result<Self, Self::Error> {
if value.is_object() {
let object = Object::from(value);
let transaction_id = object.get("transactionId")?.try_into()?;
let index = object.get_u32("index")?;
Ok(TransactionOutpoint::new(transaction_id, index))
} else {
Err("outpoint is not an object".into())
}
}
}
impl TryFrom<JsValue> for TransactionInput {
type Error = Error;
fn try_from(js_value: JsValue) -> Result<Self, Self::Error> {
if js_value.is_object() {
let object = Object::from(js_value);
let previous_outpoint: TransactionOutpoint = object.get("previousOutpoint")?.try_into()?;
let signature_script = object.get_vec_u8("signatureScript")?;
let sequence = object.get_u64("sequence")?;
let sig_op_count = object.get_u8("sigOpCount")?;
Ok(TransactionInput::new(previous_outpoint, signature_script, sequence, sig_op_count))
} else {
Err("TransactionInput must be an object".into())
}
}
}
impl TryFrom<JsValue> for ScriptPublicKey {
type Error = Error;
fn try_from(js_value: JsValue) -> Result<Self, Self::Error> {
if js_value.is_object() {
let object = Object::from(js_value);
let version_value = object.get("version")?;
let version = if version_value.is_string() {
let hex_string = version_value.as_string().unwrap();
if hex_string.len() != 4 {
return Err("`ScriptPublicKey::version` must be a string of length 4 (2 byte hex repr)".into());
}
u16::from_str_radix(&hex_string, 16).map_err(|_| Error::Custom("error parsing version hex value".into()))?
} else if let Ok(version) = version_value.try_as_u16() {
version
} else {
return Err(Error::Custom(format!(
"`ScriptPublicKey::version` must be a hex string or a 16-bit integer: `{version_value:?}`"
)));
};
let script = object.get_vec_u8("script")?;
Ok(ScriptPublicKey::new(version, script.into()))
} else {
Err("ScriptPublicKey must be an object".into())
}
}
}
impl TryFrom<JsValue> for TransactionOutput {
type Error = Error;
fn try_from(js_value: JsValue) -> Result<Self, Self::Error> {
if js_value.is_object() {
let object = Object::from(js_value);
let value = object.get_u64("value")?;
let script_public_key: ScriptPublicKey =
object.get("scriptPublicKey").map_err(|_| Error::Custom("missing `script` property".into()))?.try_into()?;
Ok(TransactionOutput::new(value, script_public_key))
} else {
Err("TransactionInput must be an object".into())
}
}
}
impl TryFrom<JsValue> for Transaction {
type Error = Error;
fn try_from(js_value: JsValue) -> Result<Self, Self::Error> {
if js_value.is_object() {
let object = Object::from(js_value);
let version = object.get_u16("version")?;
let lock_time = object.get_u64("lockTime")?;
let gas = object.get_u64("gas")?;
let payload = object.get_vec_u8("payload")?;
let subnetwork_id = object.get_vec_u8("subnetworkId")?;
if subnetwork_id.len() != crate::subnets::SUBNETWORK_ID_SIZE {
return Err(Error::Custom("subnetworkId must be 20 bytes long".into()));
}
let subnetwork_id: SubnetworkId =
subnetwork_id.as_slice().try_into().map_err(|err| Error::Custom(format!("`subnetworkId` property error: `{err}`")))?;
let inputs =
object.get_vec("inputs")?.into_iter().map(|jsv| jsv.try_into()).collect::<Result<Vec<TransactionInput>, Error>>()?;
let outputs =
object.get_vec("outputs")?.into_iter().map(|jsv| jsv.try_into()).collect::<Result<Vec<TransactionOutput>, Error>>()?;
Ok(Transaction::new(version, inputs, outputs, lock_time, subnetwork_id, gas, payload))
} else {
Err("Transaction must be an object".into())
}
}
}
*/