HACK: mux between hyperspace and mainnet

The tricky parts are:

1. I made changes to "shared" to remove negative gas values.
2. We can't depend on two different "compatible" versions at the same
time.

So I hack it by:

1. Depending on a git version for "nv18".
2. Patching the blockstore dep.

Author: Stebalien

rust/Cargo.lock

@@ -38,6 +38,8 @@ fvm3 = { package = "fvm", version = "=3.0.0-alpha.23", default-features = false,
 fvm3_shared = { package = "fvm_shared", version = "3.0.0-alpha.20" }
 fvm3_ipld_encoding = { package = "fvm_ipld_encoding", version = "0.3.3" }
 fvm3h1 = { package = "fvm", git = "https://github.com/filecoin-project/ref-fvm", tag = "[email protected]", default-features = false, features = ["hyperspace"] }
+fvm3h1_shared = { package = "fvm_shared", git = "https://github.com/filecoin-project/ref-fvm", tag = "[email protected]" }
+fvm3h1_ipld_encoding = { package = "fvm_ipld_encoding", git = "https://github.com/filecoin-project/ref-fvm", tag = "[email protected]" }
 fvm2 = { package = "fvm", version = "2.2.0", default-features = false }
 fvm2_shared = { package = "fvm_shared", version = "2.0.0" }
 fvm2_ipld_encoding = { package = "fvm_ipld_encoding", version = "0.2.3" }
@@ -64,3 +66,6 @@ opencl = ["filecoin-proofs-api/opencl", "rust-gpu-tools/opencl",  "fvm3h1/opencl
 cuda = ["filecoin-proofs-api/cuda", "rust-gpu-tools/cuda", "fvm3h1/cuda", "fvm3/cuda", "fvm2/cuda"]
 multicore-sdr = ["filecoin-proofs-api/multicore-sdr"]
 c-headers = ["safer-ffi/headers"]
+
+[patch."https://github.com/filecoin-project/ref-fvm"]
+fvm_ipld_blockstore = { package = "fvm_ipld_blockstore", version = "0.1.1" }