feat: release Dever 0.1.5 with direct workers and long transactions

test/external-sdk/c_ffi_adapter.c

@@ -0,0 +1,40 @@
+#include "dever_ffi.h"
+#include <stdio.h>
+#include <string.h>
+
+extern long long fixture_triple(long long value);
+
+static int invoke(void *context, dever_ffi_slice operation, dever_ffi_slice payload, dever_ffi_output *output) {
+    (void)context;
+    if (operation.size == 6 && memcmp(operation.data, "reject", 6) == 0) {
+        const char *error = "{\"error\":\"example.Rejected\",\"payload\":null}";
+        memcpy(output->data, error, strlen(error));
+        output->size = strlen(error);
+        return DEVER_FFI_ERROR;
+    }
+    if (operation.size == 10 && memcmp(operation.data, "bad_length", 10) == 0) {
+        output->size = output->capacity + 1;
+        return DEVER_FFI_OK;
+    }
+    if (operation.size == 5 && memcmp(operation.data, "fault", 5) == 0) return DEVER_FFI_FAULT;
+    if (payload.size >= 64) return DEVER_FFI_FAULT;
+    char input[64];
+    memcpy(input, payload.data, (size_t)payload.size);
+    input[payload.size] = 0;
+    long long value = 0;
+    if (sscanf(input, "{\"value\":%lld}", &value) != 1 || value > 1000000 || value < -1000000) return DEVER_FFI_FAULT;
+    int size = snprintf(output->data, (size_t)output->capacity, "{\"value\":%lld}", fixture_triple(value));
+    if (size < 0 || (uint64_t)size >= output->capacity) return DEVER_FFI_FAULT;
+    output->size = (uint64_t)size;
+    return DEVER_FFI_OK;
+}
+
+static void closed(void *context) {
+    (void)context;
+    fputs("closed\n", stderr);
+}
+
+int main(void) {
+    const dever_ffi_handler handler = {DEVER_FFI_ABI_V1, NULL, NULL, invoke, closed};
+    return dever_ffi_serve(&handler);
+}