I have been following the tutorial, and have been facing the following issues (these issues are mainly with IPFS, but i believe are relevant to whoever is going through the tutorial ):
1) [In chapter 1] IPFS@0.62.1 (latest version as of now) will not work with node version less then 16, i've tried running the tutorial with node v12.22.11 and v14.19.1, getting the following error :
/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/timeout-abort-controller/index.js:8
class TimeoutController extends AbortController {
^
TypeError: Class extends value undefined is not a constructor or null
at Object.<anonymous> (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/timeout-abort-controller/index.js:8:33)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:74:18)
at Object.<anonymous> (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-core-utils/cjs/src/with-timeout-option.js:5:30)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
Although I was not able to find any concrete solution to this in any of the present issues, i got it working with node v16. Whereas the tutorial says, and I quote
Note: This code was tested on Node v11.14.0. Your mileage for other versions may vary.
I tested with v.11 of node as well, that gave a completely different exception, but an exception nonetheless, therefore above is no more valid, should be updated.
2) [in chapter 2] the arguments for IPFS.CID are described as
cid = new IPFS.CID(cid)
( EDIT: after a bit of digging around the js-multiformat, the following code worked for me, this fixed the second issue listed below too,
cid = IPFS.CID.parse(cid)
)
This is not working, after looking more into it, i found the constructor of CID has the following parameters:
class CID {
constructor(version, code, multihash, bytes) {
(located at node_modules/multiformats/cjs/src/cid.js)
Clearly, that line of code in the tutorial wont be working with it, after figuring out what these params mean, i got it to work.
However, the issues dont end here, currently the following line of code is also giving an exception, haven't figured this out yet,
Code:
const content = await NPP.node.dag.get(cid)
Exception:
/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/multiformats/cjs/src/bases/base.js:18
throw Error('Unknown type, must be binary type');
^
Error: Unknown type, must be binary type
at Encoder.encode (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/multiformats/cjs/src/bases/base.js:18:13)
at Codec.encode (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/multiformats/cjs/src/bases/base.js:77:25)
at cidToKey (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/blockstore-datastore-adapter/cjs/src/index.js:49:42)
at BlockstoreDatastoreAdapter.has (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/blockstore-datastore-adapter/cjs/src/index.js:182:27)
at Object.has (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-repo/cjs/src/pinned-blockstore.js:41:20)
at Object.has (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-repo/cjs/src/idstore.js:83:20)
at BlockStorage.has (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-core/cjs/src/block-storage.js:81:23)
at BlockStorage.get (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-core/cjs/src/block-storage.js:52:21)
at get (/home/mubeen/lab/obdb_tutorial/tutorial/node_modules/ipfs-core/cjs/src/components/dag/get.js:31:37)
at async /home/mubeen/lab/obdb_tutorial/tutorial/index.js:31:21
Haven't gotten ahead of this yet, but this is what i've encountered so far.
Have i miss-interpreted something, or are these tutorials really outdated ?
I have been following the tutorial, and have been facing the following issues (these issues are mainly with IPFS, but i believe are relevant to whoever is going through the tutorial ):
1) [In chapter 1] IPFS@0.62.1 (latest version as of now) will not work with node version less then 16, i've tried running the tutorial with node v12.22.11 and v14.19.1, getting the following error :
Although I was not able to find any concrete solution to this in any of the present issues, i got it working with node v16. Whereas the tutorial says, and I quote
I tested with v.11 of node as well, that gave a completely different exception, but an exception nonetheless, therefore above is no more valid, should be updated.
2) [in chapter 2] the arguments for IPFS.CID are described as
( EDIT: after a bit of digging around the js-multiformat, the following code worked for me, this fixed the second issue listed below too,
)
This is not working, after looking more into it, i found the constructor of CID has the following parameters:
(located at node_modules/multiformats/cjs/src/cid.js)
Clearly, that line of code in the tutorial wont be working with it, after figuring out what these params mean, i got it to work.
However, the issues dont end here, currently the following line of code is also giving an exception, haven't figured this out yet,
Code:
Exception:
Haven't gotten ahead of this yet, but this is what i've encountered so far. Have i miss-interpreted something, or are these tutorials really outdated ?