FIP-0083: Clarify bigint CBOR encoding scheme (#938)

filecoin-project · Feb 21, 2024 · 18e5ad8 · 18e5ad8
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diff --git a/FIPS/fip-0083.md b/FIPS/fip-0083.md
@@ -65,6 +65,8 @@ The event payload is defined as:
 | Index Key + Value    | “verifier” | <VERIFIER_ACTOR_ID> (int)            |
 | Index Key            | “balance” | <VERIFIER_DATACAP_BALANCE> (bigint) |
 
+_The "bigint" CBOR encoding format used for the "balance" field is the same as is used for encoding bigints on the Filecoin chain: a byte array representing a big-endian unsigned integer, compatible with the Golang `big.Int` byte representation, with a `0x00` (positive) or `0x01` (negative) prefix; with a zero-length array representing a value of `0`._
+
 #### Datacap Allocated
 This event is emitted when a verified client allocates datacap to a specific data piece and storage provider.