types.c

typedef struct {
  const uint8_t *addr; /** bytes */
  uint64_t len; /** number of bytes*/
} SolBytes;

typedef struct {
  uint8_t x[32];
} SolPubkey;

typedef struct {
  SolPubkey *key;      /** Public key of the account */
  uint64_t *lamports;  /** Number of lamports owned by this account */
  uint64_t data_len;   /** Length of data in bytes */
  uint8_t *data;       /** On-chain data within this account */
  SolPubkey *owner;    /** Program that owns this account */
  uint64_t rent_epoch; /** The epoch at which this account will next owe rent */
  bool is_signer;      /** Transaction was signed by this account's key? */
  bool is_writable;    /** Is the account writable? */
  bool executable;     /** This account's data contains a loaded program (and is now read-only) */
} SolAccountInfo;

typedef struct {
  SolPubkey *pubkey; /** An account's public key */
  bool is_writable; /** True if the `pubkey` can be loaded as a read-write account */
  bool is_signer; /** True if an Instruction requires a Transaction signature matching `pubkey` */
} SolAccountMeta;

// fixed size arrays to help binja understand
typedef struct {
    SolAccountInfo accounts[32];
} FixedAccountInfo;

typedef struct {
    SolAccountMeta metas[0x100];
} FixedAccountMeta;

typedef struct {
  SolPubkey *program_id; /** Pubkey of the instruction processor that executes this instruction */
  FixedAccountMeta *accounts; /** Metadata for what accounts should be passed to the instruction processor */
  uint64_t account_len; /** Number of SolAccountMetas */
  uint8_t *data; /** Opaque data passed to the instruction processor */
  uint64_t data_len; /** Length of the data in bytes */
} SolInstruction;

typedef struct {
  const uint8_t *addr; /** Seed bytes */
  uint64_t len; /** Length of the seed bytes */
} SolSignerSeed;

typedef struct {
  const SolSignerSeed *addr; /** An array of a signer's seeds */
  uint64_t len; /** Number of seeds */
} SolSignerSeeds;

typedef struct {
  FixedAccountInfo* ka; /** Pointer to an array of SolAccountInfo, must already
                          point to an array of SolAccountInfos */
  uint64_t ka_num; /** Number of SolAccountInfo entries in `ka` */
  const uint8_t *data; /** pointer to the instruction data */
  uint64_t data_len; /** Length in bytes of the instruction data */
  const SolPubkey *program_id; /** program_id of the currently executing program */
} SolParameters;