more minimal failing case

test/mips_test_memory.js

 const { expect } = require("chai");
 
-const trieAdd = {"root":"0x22ffce7c56d926c2d8d6337d8917fa0e1880e1869e189c15385ead63c6c45b93","preimages":{"0x044371dc86fb8c621bc84b69dce16de366de1126777250888b17416d0bd11279":"+FPGIIQ8EL//xiCENhD/8MYghDQRAAHGIIQ8CP//xiCENQj//cYghDQJAAPGIIQBCVAgxiCELUIAAcYghK4CAAjGIISuEQAExiCEA+AACICAgICAgA==","0x0fdfcc24b1b21d78ef2b7c6503eb9354677743685c2d00a14a8b502a177911b0":"+HGgL4Jb+u0gEWM4e9G4lO/GsyUEY/heVoGOAfiI04qPXfSgLCZprT7WBOLipiwJxxI0vy09rw9iPR+x0p/Xz1p3X5WgaNY/x30waJPsd6PWg76b094l8vUmmL6XB1XdUFy+xfWAgICAgICAgICAgICAgA==","0x11228d4f4a028a9088e6ec0aa6513e0d4731d9dc488e2af1957e46ba80624a69":"5oQAAAAAoARDcdyG+4xiG8hLadzhbeNm3hEmd3JQiIsXQW0L0RJ5","0x22ffce7c56d926c2d8d6337d8917fa0e1880e1869e189c15385ead63c6c45b93":"+FGgESKNT0oCipCI5uwKplE+DUcx2dxIjirxlX5GuoBiSmmAgKBv5gezlmGtxjQAs8Du76D93mAxExw5qWgAZjJQp1xmfICAgICAgICAgICAgIA=","0x2c2669ad3ed604e2e2a62c09c71234bf2d3daf0f623d1fb1d29fd7cf5a775f95":"+HHGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIRerQAAgA==","0x2f825bfaed201163387bd1b894efc6b3250463f85e56818e01f888d38a8f5df4":"+HHGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAADGIIQAAAAAgA==","0x68d63fc77d306893ec77a3d683be9bd3de25f2f52698be970755dd505cbec5f5":"6cYghAAAAADGIIQAAAAAxiCEAAAAAMYghAAAAACAgICAgICAgICAgICA","0x6fe607b39661adc63400b3c0eeefa0fdde6031131c39a96800663250a75c667c":"5YMQAACgD9/MJLGyHXjvK3xlA+uTVGd3Q2hcLQChSotQKhd5EbA="}};
-
 async function write(mm, root, addr, data) {
   ret = await mm.WriteMemoryWithReceipt(root, addr, data)
   const receipt = await ret.wait()
@@ -27,15 +25,11 @@ describe("MIPSMemory contract", function () {
     root = await write(mm, root, 4, 0)
   })
   it("write three should work", async function() {
-    for (k in trieAdd['preimages']) {
-      const bin = Uint8Array.from(Buffer.from(trieAdd['preimages'][k], 'base64').toString('binary'), c => c.charCodeAt(0))
-      await mm.AddTrieNode(bin)
-    }
-
-    let root = trieAdd['root']
+    await mm.AddTrieNode(new Uint8Array([0x80]))
+    let root = "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
 
-    root = await write(mm, root, 0x7fffd010, 1000)
-    root = await write(mm, root, 0x7fffd00c, 6)
-    root = await write(mm, root, 0x7fffc000, 0x85a24)
+    root = await write(mm, root, 0x44, 0)
+    root = await write(mm, root, 0x40, 0)
+    root = await write(mm, root, 0x0, 0)
   })
 })