54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
module pyth::price_status {
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//use pyth::error;
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/// The price feed is not currently updating for an unknown reason.
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const UNKNOWN: u64 = 0;
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/// The price feed is updating as expected.
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const TRADING: u64 = 1;
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/// PriceStatus represents the availability status of a price feed.
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/// Prices should only be used if they have a status of trading.
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struct PriceStatus has copy, drop, store {
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status: u64,
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}
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public fun from_u64(status: u64): PriceStatus {
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assert!(status <= TRADING, 0);
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PriceStatus {
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status
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}
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}
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public fun get_status(price_status: &PriceStatus): u64 {
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price_status.status
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}
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public fun new_unknown(): PriceStatus {
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PriceStatus {
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status: UNKNOWN,
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}
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}
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public fun new_trading(): PriceStatus {
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PriceStatus {
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status: TRADING,
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}
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}
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#[test]
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fun test_unknown_status() {
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assert!(PriceStatus{ status: UNKNOWN } == from_u64(0), 1);
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}
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#[test]
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fun test_trading_status() {
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assert!(PriceStatus{ status: TRADING } == from_u64(1), 1);
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}
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#[test]
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#[expected_failure]
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fun test_invalid_price_status() {
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from_u64(3);
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}
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}
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