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feat(twap-oracle): implement PublishPrice with real tick-to-price conversion #137

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c59316b
feat(twap-oracle): implement CreatePriceObservations instruction
0x-r4bbit May 28, 2026
bb55bd3
feat(twap-oracle): implement CreateOraclePriceAccount instruction
0x-r4bbit May 28, 2026
ab6f4e7
feat(twap-oracle): implement CreateCurrentTickAccount and UpdateCurre…
0x-r4bbit May 29, 2026
ee269ff
feat(twap-oracle): implement RecordTick instruction
0x-r4bbit Jun 2, 2026
51887aa
feat(twap-oracle): implement PublishPrice with real tick-to-price con…
0x-r4bbit Jun 2, 2026
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901 changes: 788 additions & 113 deletions Cargo.lock
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64 changes: 63 additions & 1 deletion artifacts/stablecoin-idl.json
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Original file line number Diff line number Diff line change
Expand Up @@ -260,6 +260,38 @@
]
}
},
{
"name": "PriceObservations",
"type": {
"kind": "struct",
"fields": [
{
"name": "price_source_id",
"type": "account_id"
},
{
"name": "write_index",
"type": "u32"
},
{
"name": "total_entries",
"type": "u64"
},
{
"name": "last_recorded_tick",
"type": "i32"
},
{
"name": "entries",
"type": {
"vec": {
"defined": "ObservationEntry"
}
}
}
]
}
},
{
"name": "OraclePriceAccount",
"type": {
Expand All @@ -283,14 +315,30 @@
},
{
"name": "source_id",
"type": "string"
"type": "account_id"
},
{
"name": "confidence_interval",
"type": "u128"
}
]
}
},
{
"name": "CurrentTickAccount",
"type": {
"kind": "struct",
"fields": [
{
"name": "tick",
"type": "i32"
},
{
"name": "last_updated",
"type": "u64"
}
]
}
}
],
"types": [
Expand All @@ -305,6 +353,20 @@
"name": "Expanded"
}
]
},
{
"name": "ObservationEntry",
"kind": "struct",
"fields": [
{
"name": "timestamp",
"type": "u64"
},
{
"name": "tick_cumulative",
"type": "i64"
}
]
}
],
"instruction_type": "stablecoin_core::Instruction"
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255 changes: 251 additions & 4 deletions artifacts/twap_oracle-idl.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,227 @@
"name": "twap_oracle",
"instructions": [
{
"name": "noop",
"accounts": [],
"args": []
"name": "create_price_observations",
"accounts": [
{
"name": "price_observations",
"writable": false,
"signer": false,
"init": false
},
{
"name": "price_source",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "initial_tick",
"type": "i32"
},
{
"name": "window_duration",
"type": "u64"
}
]
},
{
"name": "create_oracle_price_account",
"accounts": [
{
"name": "oracle_price_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "price_source",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "base_asset",
"type": "account_id"
},
{
"name": "quote_asset",
"type": "account_id"
},
{
"name": "window_duration",
"type": "u64"
}
]
},
{
"name": "create_current_tick_account",
"accounts": [
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "price_source",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "initial_tick",
"type": "i32"
}
]
},
{
"name": "publish_price",
"accounts": [
{
"name": "price_observations",
"writable": false,
"signer": false,
"init": false
},
{
"name": "oracle_price_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "price_source_id",
"type": "account_id"
},
{
"name": "window_duration",
"type": "u64"
}
]
},
{
"name": "record_tick",
"accounts": [
{
"name": "price_observations",
"writable": false,
"signer": false,
"init": false
},
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "price_source_id",
"type": "account_id"
},
{
"name": "window_duration",
"type": "u64"
}
]
},
{
"name": "update_current_tick",
"accounts": [
{
"name": "current_tick_account",
"writable": false,
"signer": false,
"init": false
},
{
"name": "price_source",
"writable": false,
"signer": false,
"init": false
},
{
"name": "clock",
"writable": false,
"signer": false,
"init": false
}
],
"args": [
{
"name": "tick",
"type": "i32"
}
]
}
],
"accounts": [
{
"name": "PriceObservations",
"type": {
"kind": "struct",
"fields": [
{
"name": "price_source_id",
"type": "account_id"
},
{
"name": "write_index",
"type": "u32"
},
{
"name": "total_entries",
"type": "u64"
},
{
"name": "last_recorded_tick",
"type": "i32"
},
{
"name": "entries",
"type": {
"vec": {
"defined": "ObservationEntry"
}
}
}
]
}
},
{
"name": "OraclePriceAccount",
"type": {
Expand All @@ -32,14 +247,46 @@
},
{
"name": "source_id",
"type": "string"
"type": "account_id"
},
{
"name": "confidence_interval",
"type": "u128"
}
]
}
},
{
"name": "CurrentTickAccount",
"type": {
"kind": "struct",
"fields": [
{
"name": "tick",
"type": "i32"
},
{
"name": "last_updated",
"type": "u64"
}
]
}
}
],
"types": [
{
"name": "ObservationEntry",
"kind": "struct",
"fields": [
{
"name": "timestamp",
"type": "u64"
},
{
"name": "tick_cumulative",
"type": "i64"
}
]
}
],
"instruction_type": "twap_oracle_core::Instruction"
Expand Down
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