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16: Add 'side' to AnchorIdlJupiterPerpsPositionDecoder

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This commit is contained in:
Morten Green Hermansen
2026-06-26 18:19:18 +02:00
parent c8ca946fcc
commit c4f67fa0fc
1 changed files with 26 additions and 3 deletions
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src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
+26 -3
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@@ -1,6 +1,7 @@
package com.r35157.libs.jupiter.perps.impl.anchoridl; package com.r35157.libs.jupiter.perps.impl.anchoridl;
import com.r35157.libs.jupiter.perps.JupiterPerpsPosition; import com.r35157.libs.jupiter.perps.JupiterPerpsPosition;
import com.r35157.libs.jupiter.perps.JupiterPerpsPositionDirection;
import com.r35157.libs.solana.SolanaAccountInfo; import com.r35157.libs.solana.SolanaAccountInfo;
import java.math.BigDecimal; import java.math.BigDecimal;
@@ -22,6 +23,9 @@ class AnchorIdlJupiterPerpsPositionDecoder {
); );
} }
JupiterPerpsPositionDirection direction =
decodeDirection(data[SIDE_OFFSET]);
long rawEntryPrice = ByteBuffer long rawEntryPrice = ByteBuffer
.wrap(data, PRICE_OFFSET, U64_LENGTH) .wrap(data, PRICE_OFFSET, U64_LENGTH)
.order(ByteOrder.LITTLE_ENDIAN) .order(ByteOrder.LITTLE_ENDIAN)
@@ -33,25 +37,44 @@ class AnchorIdlJupiterPerpsPositionDecoder {
JupiterPerpsPosition pos = new JupiterPerpsPosition( JupiterPerpsPosition pos = new JupiterPerpsPosition(
positionAccount, positionAccount,
entryPrice entryPrice,
direction
); );
return pos; return pos;
} }
private JupiterPerpsPositionDirection decodeDirection(
byte rawSide
) {
// Jupiter Perps position side values are encoded as 1 = LONG, 2 = SHORT.
JupiterPerpsPositionDirection direction = switch (rawSide) {
case 1 -> JupiterPerpsPositionDirection.LONG;
case 2 -> JupiterPerpsPositionDirection.SHORT;
default -> throw new IllegalArgumentException(
"Unknown Jupiter Perps position side: " + rawSide
);
};
return direction;
}
private static final int ANCHOR_DISCRIMINATOR_LENGTH = 8; private static final int ANCHOR_DISCRIMINATOR_LENGTH = 8;
private static final int PUBLIC_KEY_LENGTH = 32; private static final int PUBLIC_KEY_LENGTH = 32;
private static final int I64_LENGTH = 8; private static final int I64_LENGTH = 8;
private static final int U64_LENGTH = 8; private static final int U64_LENGTH = 8;
private static final int SIDE_ENUM_LENGTH = 1; private static final int SIDE_ENUM_LENGTH = 1;
private static final int PRICE_OFFSET = private static final int SIDE_OFFSET =
ANCHOR_DISCRIMINATOR_LENGTH ANCHOR_DISCRIMINATOR_LENGTH
+ PUBLIC_KEY_LENGTH // owner + PUBLIC_KEY_LENGTH // owner
+ PUBLIC_KEY_LENGTH // pool + PUBLIC_KEY_LENGTH // pool
+ PUBLIC_KEY_LENGTH // custody + PUBLIC_KEY_LENGTH // custody
+ PUBLIC_KEY_LENGTH // collateralCustody + PUBLIC_KEY_LENGTH // collateralCustody
+ I64_LENGTH // openTime + I64_LENGTH // openTime
+ I64_LENGTH // updateTime + I64_LENGTH; // updateTime
private static final int PRICE_OFFSET =
SIDE_OFFSET
+ SIDE_ENUM_LENGTH; // side + SIDE_ENUM_LENGTH; // side
} }